diff --git a/client/package.json b/client/package.json
index 7a26de8..832a710 100644
--- a/client/package.json
+++ b/client/package.json
@@ -8,6 +8,7 @@
     "axios": "^1.7.9",
     "highlight.js": "^11.11.1",
     "katex": "^0.16.21",
+    "lucide-react": "^0.487.0",
     "mongodb": "6.12.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
diff --git a/client/src/components/main/homePage/notification/index.css b/client/src/components/main/homePage/notification/index.css
index 2d0c2eb..bd23f13 100644
--- a/client/src/components/main/homePage/notification/index.css
+++ b/client/src/components/main/homePage/notification/index.css
@@ -18,6 +18,12 @@
   margin: 0;
 }
 
+.section-title-off {
+  font-size: 1.25rem;
+  color: var(--home-text);
+  margin-top: 1rem;
+}
+
 .notification-box {
   padding-top: 0.7rem;
 }
diff --git a/client/src/components/main/homePage/notification/index.tsx b/client/src/components/main/homePage/notification/index.tsx
index 845a566..5486672 100644
--- a/client/src/components/main/homePage/notification/index.tsx
+++ b/client/src/components/main/homePage/notification/index.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useState, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import useNotifications from '../../../../hooks/useNotification';
 import './index.css';
@@ -6,6 +6,23 @@ import './index.css';
 const NotificationView = () => {
   const navigate = useNavigate();
   const { notifications, viewNotification, clearNotifications } = useNotifications();
+  const [notificationsOn, setNotificationsOn] = useState(true);
+
+  useEffect(() => {
+    const saved = localStorage.getItem('notificationsEnabled');
+    setNotificationsOn(saved ? JSON.parse(saved) : true);
+  }, []);
+
+  if (!notificationsOn) {
+    return (
+      <div className='homepage-box notification-box'>
+        <div className='notification-header'>
+          <h2 className='section-title-off'>Notification Catch-up</h2>
+        </div>
+        <p>Notifications are turned off.</p>
+      </div>
+    );
+  }
 
   return (
     <div className='homepage-box notification-box'>
diff --git a/client/src/components/profileSettings/index.tsx b/client/src/components/profileSettings/index.tsx
index 9944c15..fcd39e1 100644
--- a/client/src/components/profileSettings/index.tsx
+++ b/client/src/components/profileSettings/index.tsx
@@ -5,6 +5,7 @@ import useProfileSettings from '../../hooks/useProfileSettings';
 import UserContributionsComponent from './userContributionsComponent';
 import ShortcutsComponent from './shortcutsComponent';
 import ToggleDarkLightComponent from './toggleDarkLightComponent';
+import ToggleNotification from './toggleNotification';
 
 const ProfileSettings: React.FC = () => {
   const {
@@ -59,6 +60,7 @@ const ProfileSettings: React.FC = () => {
         {userData ? (
           <>
             <ToggleDarkLightComponent />
+            <ToggleNotification />
             <h4>General Information</h4>
             <p>
               <strong>Username:</strong> {userData.username}
@@ -110,10 +112,10 @@ const ProfileSettings: React.FC = () => {
               {userData.dateJoined ? new Date(userData.dateJoined).toLocaleDateString() : 'N/A'}
             </p>
 
-            <ShortcutsComponent username={userData.username || ''} shortcuts={shortcuts} />
-
             <UserContributionsComponent userID={userData?.username || ''} />
 
+            <ShortcutsComponent username={userData.username || ''} shortcuts={shortcuts} />
+
             {/* ---- Reset Password Section ---- */}
             {canEditProfile && (
               <>
diff --git a/client/src/components/profileSettings/toggleDarkLightComponent/index.css b/client/src/components/profileSettings/toggleDarkLightComponent/index.css
index 0b16e1d..03c8a10 100644
--- a/client/src/components/profileSettings/toggleDarkLightComponent/index.css
+++ b/client/src/components/profileSettings/toggleDarkLightComponent/index.css
@@ -1,9 +1,9 @@
 :root {
-  --dark-text: #292929;
-  --light-text: #f9f8f8;
-  --dark-background: #2f4550;
-  --light-background: #586f7c;
-  --accent: #b8dbd9;
+  --dark-text: #f9f8f8;
+  --light-text: #292929;
+  --dark-background: #13091b;
+  --light-background: #efe2fc;
+  --accent: #be9fdb;
   --button-border: #b8dbd9;
 }
 
@@ -12,7 +12,7 @@
   --dark-background: #13091b;
   --light-background: #efe2fc;
   --accent: #be9fdb;
-  --comment:#be9fdb;
+  --comment: #be9fdb;
   --header: #1429af21;
   --container: #281738;
   --nav-bar: #372a43;
@@ -27,16 +27,91 @@
   --dark-background: #f3f3ed;
   --light-background: #d8d8d8;
   --accent: #380666;
-  --comment:white;
+  --comment: white;
   --header: #8896f16d;
   --container: #DDCDEC;
   --nav-bar: #d4aef8;
   --button: #4d2a6d;
   --button-hover: #9d81b7;
-  --notification:  rgb(236, 236, 236);
+  --notification: rgb(236, 236, 236);
   --home-text: #32206C;
 }
 
+.theme-flatly {
+  --text: #495057;
+  --dark-background: #f8f9fa;
+  --light-background: #f8f9fa;
+  --accent: #0d6efd;
+  --comment: #0d6efd;
+  --header: #e9ecef;
+  --container: #f8f9fa;
+  --nav-bar: #f8f9fa;
+  --button: #0d6efd;
+  --button-hover: #0d6efd;
+}
+
+.theme-darkly {
+  --text: #ffffff;
+  --dark-background: #343a40;
+  --light-background: #343a40;
+  --accent: #6610f2;
+  --comment: #6610f2;
+  --header: #343a40;
+  --container: #343a40;
+  --nav-bar: #343a40;
+  --button: #6610f2;
+  --button-hover: #6610f2;
+}
+
+.theme-minty {
+  --text: #2e3a34;
+  --dark-background: #eaf0e1;
+  --light-background: #eaf0e1;
+  --accent: #4fa3d1;
+  --comment: #4fa3d1;
+  --header: #eaf0e1;
+  --container: #eaf0e1;
+  --nav-bar: #eaf0e1;
+  --button: #83c5be;
+  --button-hover: #83c5be;
+}
+
+.theme-quartz {
+  --text: #212529;
+  --dark-background: #f8f9fa;
+  --light-background: #f8f9fa;
+  --accent: #7952b3;
+  --comment: #7952b3;
+  --header: #f8f9fa;
+  --container: #f8f9fa;
+  --nav-bar: #f8f9fa;
+  --button: #7952b3;
+  --button-hover: #7952b3;
+}
+
+.theme-colorblind-mode {
+  --primary-color: #000000;
+  --background-color-light: #f5f5f5;
+  --text-color: #000000;
+  --success-color: #3366cc;
+  --warning-color: #ff9933;
+  --danger-color: #cc0000;
+  --button-background: #3366cc;
+  /* --button-text: #ffffff; */
+  --link-color: #3366cc;
+  --border-color: #ced4da;
+}
+
+.colorblind-mode {
+  --text: var(--text-color);
+  --dark-background: var(--background-color-light);
+  --light-background: var(--background-color-light);
+  --button: var(--button-background);
+  --button-hover: var(--button-background);
+  --link: var(--link-color);
+  --border: var(--border-color);
+}
+
 html,
 #root {
   background-color: var(--dark-background);
@@ -98,3 +173,143 @@ nav {
 .toggle-switch.light .toggle-thumb {
   transform: translateX(30px);
 }
+
+:root {
+  --text-small: 0.8rem;
+  --text-medium: 1rem;
+  --text-large: 1.2rem;
+}
+
+body {
+  font-size: var(--text-medium);
+}
+
+.theme-small {
+  font-size: var(--text-small);
+}
+
+.theme-large {
+  font-size: var(--text-large);
+}
+
+.settings-container {
+  padding: 10px;
+  background-color: var(--background);
+  border-radius: 8px;
+  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+  max-width: 250px;
+  font-family: 'Arial', sans-serif;
+  transition: all 0.3s ease;
+}
+
+.settings-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.settings-header h2 {
+  font-size: 1em; /* Smaller header */
+  color: var(--primary-color);
+  margin: 0;
+}
+
+.collapse-button {
+  background-color: #f1f1f1;
+  border: none;
+  padding: 5px 10px;
+  cursor: pointer;
+  font-size: 0.9em;
+  color: var(--primary-color);
+  border-radius: 4px;
+  transition: transform 0.2s ease;
+}
+
+.collapse-button:hover {
+  transform: scale(1.1);
+}
+
+.settings-content {
+  display: flex;
+  flex-direction: column;
+}
+
+.settings-item {
+  margin-bottom: 12px;
+  padding-bottom: 12px; /* Space between items */
+  border-bottom: 1px solid var(--border-color); /* Divider between items */
+}
+
+.settings-item:last-child {
+  border-bottom: none; /* Remove the bottom border from the last item */
+}
+
+
+.setting-label {
+  font-size: 1em;
+  margin-bottom: 5px;
+  color: var(--secondary-color);
+  margin: 10px;
+}
+
+.setting-select {
+  padding: 6px;
+  border: 1px solid var(--border-color);
+  border-radius: 4px;
+  background-color: var(--input-background);
+  font-size: 0.9em; /* Smaller font size */
+}
+
+.switch {
+  position: relative;
+  display: inline-block;
+  width: 45px;
+  height: 22px;
+}
+
+.switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+.slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #ccc;
+  transition: 0.4s;
+  border-radius: 34px;
+}
+
+.slider:before {
+  position: absolute;
+  content: "";
+  height: 16px;
+  width: 16px;
+  border-radius: 50%;
+  left: 4px;
+  bottom: 4px;
+  background-color: white;
+  transition: 0.4s;
+}
+
+input:checked + .slider {
+  background-color: #4CAF50;
+}
+
+input:checked + .slider:before {
+  transform: translateX(23px); /* Adjusted for smaller switch */
+}
+
+/* Colors */
+:root {
+  --primary-color: #333;
+  --secondary-color: #555;
+  --background: #fff;
+  --input-background: #f1f1f1;
+  --border-color: #ddd;
+}
diff --git a/client/src/components/profileSettings/toggleDarkLightComponent/index.tsx b/client/src/components/profileSettings/toggleDarkLightComponent/index.tsx
index 742fcd2..c1ca73c 100644
--- a/client/src/components/profileSettings/toggleDarkLightComponent/index.tsx
+++ b/client/src/components/profileSettings/toggleDarkLightComponent/index.tsx
@@ -1,31 +1,140 @@
 import React, { useState, useEffect } from 'react';
-import { setTheme } from '../../../tool';
+import { setTheme, setTextSize, setColorblindMode } from '../../../tool';
 import './index.css';
 
 function ToggleDarkLightComponent() {
   const [togClass, setTogClass] = useState('dark');
-
-  const handleOnClick = () => {
-    const currentTheme = localStorage.getItem('theme');
-    const newTheme = currentTheme === 'theme-dark' ? 'theme-light' : 'theme-dark';
-    setTheme(newTheme);
-    setTogClass(newTheme === 'theme-dark' ? 'dark' : 'light');
-  };
+  const [textClass, setTextClass] = useState(localStorage.getItem('text-size') || 'medium');
+  const [colorblindClass, setColorblindClass] = useState(
+    localStorage.getItem('colorblind-mode') === 'true',
+  );
+  const [isCollapsed, setIsCollapsed] = useState(false);
 
   useEffect(() => {
-    const currentTheme = localStorage.getItem('theme');
-    if (currentTheme === 'theme-dark') {
-      setTogClass('dark');
+    const currentTheme = localStorage.getItem('theme') || 'theme-dark';
+    setTogClass(currentTheme);
+    setTextClass(localStorage.getItem('text-size') || 'medium');
+    setColorblindClass(localStorage.getItem('colorblind-mode') === 'true');
+    document.documentElement.className = currentTheme;
+
+    if (textClass === 'small') {
+      document.body.classList.add('theme-small');
+      document.body.classList.remove('theme-medium', 'theme-large');
+    } else if (textClass === 'large') {
+      document.body.classList.add('theme-large');
+      document.body.classList.remove('theme-medium', 'theme-small');
+    } else {
+      document.body.classList.add('theme-medium');
+      document.body.classList.remove('theme-small', 'theme-large');
+    }
+
+    if (colorblindClass) {
+      document.documentElement.classList.add('colorblind-mode');
     } else {
-      setTogClass('light');
+      document.documentElement.classList.remove('colorblind-mode');
     }
-  }, []);
+  }, [colorblindClass, textClass]);
+
+  const handleTextSizeChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
+    const newSize = e.target.value;
+    setTextSize(newSize);
+    setTextClass(newSize);
+    localStorage.setItem('text-size', newSize);
+  };
+
+  const handleColorblindModeChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const isChecked = e.target.checked;
+    setColorblindMode(String(isChecked));
+    setColorblindClass(isChecked);
+    localStorage.setItem('colorblind-mode', isChecked.toString());
+    const currentTheme = localStorage.getItem('theme') || 'theme-dark';
+    document.documentElement.classList.toggle('colorblind-mode', isChecked);
+    document.documentElement.classList.add(currentTheme);
+  };
+
+  const handleLightModeChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const isChecked = e.target.checked;
+    setTogClass(isChecked ? 'theme-light' : 'theme-dark');
+    document.documentElement.className = isChecked ? 'theme-light' : 'theme-dark';
+    localStorage.setItem('theme', isChecked ? 'theme-light' : 'theme-dark');
+  };
+
+  const toggleCollapse = () => {
+    setIsCollapsed(prevState => !prevState);
+  };
 
   return (
-    <div className='toggle-container'>
-      <div className={`toggle-switch ${togClass}`} onClick={handleOnClick}>
-        <div className='toggle-thumb' />
+    <div className='settings-container'>
+      <div className='settings-header'>
+        <h2>Settings</h2>
+        <button onClick={toggleCollapse} className='collapse-button'>
+          {isCollapsed ? '▼' : '▲'}
+        </button>
       </div>
+
+      {!isCollapsed && (
+        <div className='settings-content'>
+          <div className='settings-item'>
+            <label className='setting-label'>Theme</label>
+            <select
+              value={togClass}
+              onChange={e => {
+                const newTheme = e.target.value;
+                setTheme(newTheme);
+                setTogClass(newTheme);
+                document.documentElement.className = newTheme;
+                localStorage.setItem('theme', newTheme);
+              }}
+              disabled={colorblindClass}
+              className='setting-select'>
+              <option value='theme-flatly'>Flatly</option>
+              <option value='theme-darkly'>Darkly</option>
+              <option value='theme-minty'>Minty</option>
+              <option value='theme-quartz'>Quartz</option>
+            </select>
+          </div>
+
+          <div className='settings-item'>
+            <label className='setting-label'>Text Size</label>
+            <select
+              id='text-size'
+              value={textClass}
+              onChange={handleTextSizeChange}
+              className='setting-select'>
+              <option value='small'>Small</option>
+              <option value='medium'>Medium</option>
+              <option value='large'>Large</option>
+            </select>
+          </div>
+
+          <div className='settings-item'>
+            <label className='setting-label'>Colorblind Mode</label>
+            <label className='switch'>
+              <input
+                type='checkbox'
+                id='colorblind-toggle'
+                checked={colorblindClass}
+                onChange={handleColorblindModeChange}
+              />
+              <span className='slider' />
+            </label>
+          </div>
+
+          <div className='settings-item'>
+            <label className='setting-label'>Light Mode</label>
+            <label className='switch'>
+              <input
+                type='checkbox'
+                id='light-mode-toggle'
+                checked={togClass === 'theme-light'}
+                onChange={handleLightModeChange}
+                disabled={colorblindClass}
+              />
+              <span className='slider' />
+            </label>
+          </div>
+        </div>
+      )}
     </div>
   );
 }
diff --git a/client/src/components/profileSettings/toggleNotification/index.css b/client/src/components/profileSettings/toggleNotification/index.css
new file mode 100644
index 0000000..e33b257
--- /dev/null
+++ b/client/src/components/profileSettings/toggleNotification/index.css
@@ -0,0 +1,39 @@
+.toggle-container {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+  margin-bottom: 1rem;
+}
+
+.toggle-switch {
+  width: 60px;
+  height: 30px;
+  border-radius: 30px;
+  background-color: #ccc;
+  position: relative;
+  cursor: pointer;
+  transition: background-color 0.3s ease;
+}
+
+.toggle-switch.off {
+  background-color: #372a43;
+}
+
+.toggle-switch.on {
+  background-color: #be9fdb;
+}
+
+.toggle-thumb {
+  width: 26px;
+  height: 26px;
+  background-color: white;
+  border-radius: 50%;
+  position: absolute;
+  top: 2px;
+  left: 2px;
+  transition: transform 0.3s ease;
+}
+
+.toggle-switch.on .toggle-thumb {
+  transform: translateX(30px);
+}
diff --git a/client/src/components/profileSettings/toggleNotification/index.tsx b/client/src/components/profileSettings/toggleNotification/index.tsx
new file mode 100644
index 0000000..94e0913
--- /dev/null
+++ b/client/src/components/profileSettings/toggleNotification/index.tsx
@@ -0,0 +1,32 @@
+import React, { useState, useEffect } from 'react';
+import './index.css';
+
+function ToggleNotification() {
+  const [notificationsEnabled, setNotificationsEnabled] = useState(true);
+
+  const handleOnClick = () => {
+    const newValue = !notificationsEnabled;
+    localStorage.setItem('notificationsEnabled', JSON.stringify(newValue));
+    setNotificationsEnabled(newValue);
+  };
+
+  useEffect(() => {
+    const savedValue = localStorage.getItem('notificationsEnabled');
+    if (savedValue !== null) {
+      setNotificationsEnabled(JSON.parse(savedValue));
+    }
+  }, []);
+
+  return (
+    <div className='toggle-container'>
+      <p className='toggle-label'>Notifications</p>
+      <div
+        className={`toggle-switch ${notificationsEnabled ? 'on' : 'off'}`}
+        onClick={handleOnClick}>
+        <div className='toggle-thumb' />
+      </div>
+    </div>
+  );
+}
+
+export default ToggleNotification;
diff --git a/client/src/tool/index.tsx b/client/src/tool/index.tsx
index 795cf43..a798e55 100644
--- a/client/src/tool/index.tsx
+++ b/client/src/tool/index.tsx
@@ -42,6 +42,48 @@ const keepTheme = () => {
   }
 };
 
+/**
+ * Helper function to set the website's text size.
+ * @param textSize - The string object which identifies the text size.
+ */
+const setTextSize = (textSize: string): void => {
+  localStorage.setItem('textSize', textSize);
+  document.documentElement.className = textSize;
+};
+
+/**
+ * Helper function to store a user's text size so it is kept when browser reopened.
+ */
+const keepTextSize = (): void => {
+  const textSize = localStorage.getItem('textSize');
+  if (textSize) {
+    setTextSize(textSize);
+  } else {
+    setTextSize('medium');
+  }
+};
+
+/**
+ * Helper function to set the website's colorblind mode.
+ * @param colorblindMode - The string object which identifies the colorblind mode.
+ */
+const setColorblindMode = (colorblindMode: string): void => {
+  localStorage.setItem('colorblindMode', colorblindMode);
+  document.documentElement.className = colorblindMode;
+};
+
+/**
+ * Helper function to store a user's colorblind mode so it is kept when browser reopened.
+ */
+const keepColorblindMode = (): void => {
+  const colorblindMode = localStorage.getItem('colorblindMode');
+  if (colorblindMode) {
+    setColorblindMode(colorblindMode);
+  } else {
+    setColorblindMode('false');
+  }
+};
+
 /**
  * Helper function to format the day of the month with leading zero if necessary.
  * It returns a string representing the day of the month with a leading zero if it's less than 10.
@@ -155,4 +197,14 @@ const handleHyperlink = (text: string) => {
   return <div>{content}</div>;
 };
 
-export { getMetaData, setTheme, keepTheme, handleHyperlink, validateHyperlink };
+export {
+  getMetaData,
+  setTheme,
+  keepTheme,
+  setTextSize,
+  keepTextSize,
+  setColorblindMode,
+  keepColorblindMode,
+  handleHyperlink,
+  validateHyperlink,
+};
diff --git a/package-lock.json b/package-lock.json
index cc40e71..c11a6aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,8 @@
         "rehype-raw": "^7.0.0",
         "rehype-sanitize": "^6.0.0",
         "remark-gfm": "^4.0.1",
-        "remark-math": "^6.0.0"
+        "remark-math": "^6.0.0",
+        "ts-node": "^10.9.2"
       }
     },
     "client": {
@@ -39,6 +40,7 @@
         "axios": "^1.7.9",
         "highlight.js": "^11.11.1",
         "katex": "^0.16.21",
+        "lucide-react": "^0.487.0",
         "mongodb": "6.12.0",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
@@ -2239,7 +2241,6 @@
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
       "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
-      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@jridgewell/trace-mapping": "0.3.9"
@@ -2252,7 +2253,6 @@
       "version": "0.3.9",
       "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
       "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==",
-      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@jridgewell/resolve-uri": "^3.0.3",
@@ -4696,28 +4696,24 @@
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-      "devOptional": true,
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@@ -6651,7 +6647,6 @@
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@@ -8535,7 +8530,6 @@
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@@ -9416,7 +9410,6 @@
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@@ -16602,6 +16595,15 @@
         "yallist": "^3.0.2"
       }
     },
+    "node_modules/lucide-react": {
+      "version": "0.487.0",
+      "resolved": "https://registry.npmjs.org/lucide-react/-/lucide-react-0.487.0.tgz",
+      "integrity": "sha512-aKqhOQ+YmFnwq8dWgGjOuLc8V1R9/c/yOd+zDY4+ohsR2Jo05lSGc3WsstYPIzcTpeosN7LoCkLReUUITvaIvw==",
+      "license": "ISC",
+      "peerDependencies": {
+        "react": "^16.5.1 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/magic-string": {
       "version": "0.25.9",
       "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.9.tgz",
@@ -16642,7 +16644,6 @@
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@@ -27528,7 +27529,6 @@
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@@ -27572,7 +27572,6 @@
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@@ -28170,7 +28169,6 @@
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-      "devOptional": true,
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     "node_modules/v8-to-istanbul": {
@@ -29202,7 +29200,6 @@
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diff --git a/package.json b/package.json
index 7726711..fea9aa6 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "rehype-raw": "^7.0.0",
     "rehype-sanitize": "^6.0.0",
     "remark-gfm": "^4.0.1",
-    "remark-math": "^6.0.0"
+    "remark-math": "^6.0.0",
+    "ts-node": "^10.9.2"
   }
 }