docs: add julio4 as a contributor for code, and tool (cairo-book#200)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -95,6 +95,16 @@
       "contributions": [
         "translation"
       ]
+    },
+    {
+      "login": "julio4",
+      "name": "julio4",
+      "avatar_url": "https://avatars.githubusercontent.com/u/30329843?v=4",
+      "profile": "http://julio4.com",
+      "contributions": [
+        "code",
+        "tool"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,6 @@
 <div align="center">
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-9-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-10-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
   <h1>The Cairo Programming Language Book</h1>
   <h3> Alexandria </h3>
@@ -121,6 +121,7 @@ To run the CI locally, ensure that you are at the root of the repository (same d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/cryptonerdcn"><img src="https://avatars.githubusercontent.com/u/97042744?v=4?s=100" width="100px;" alt="cryptonerdcn"/><br /><sub><b>cryptonerdcn</b></sub></a><br /><a href="#translation-cryptonerdcn" title="Translation">🌍</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/MathiasTELITSINE"><img src="https://avatars.githubusercontent.com/u/95372106?v=4?s=100" width="100px;" alt="Argetlames"/><br /><sub><b>Argetlames</b></sub></a><br /><a href="#translation-MathiasTELITSINE" title="Translation">🌍</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://julio4.com"><img src="https://avatars.githubusercontent.com/u/30329843?v=4?s=100" width="100px;" alt="julio4"/><br /><sub><b>julio4</b></sub></a><br /><a href="https://github.com/cairo-book/cairo-book.github.io/commits?author=julio4" title="Code">💻</a> <a href="#tool-julio4" title="Tools">🔧</a></td>
     </tr>
   </tbody>
 </table>