Add useOptimistic hook snippet and update README

Author: alDuncanson

README.md

@@ -6,7 +6,6 @@
 
 React Hooks Snippets is a [Visual Studio Code](https://code.visualstudio.com/) extension to make writing [React Hooks](https://react.dev/reference/react/hooks) easier and faster!
 
-
 ## Supported Hooks
 
 ### State Hooks
@@ -48,6 +47,7 @@ React Hooks Snippets is a [Visual Studio Code](https://code.visualstudio.com/) e
 | `uidh` | `useId` |
 | `usesh` | `useSyncExternalStore` |
 | `uash` | `useActionState` |
+| `uoh` | `useOptimistic` |
 
 ## Add to your project
 

snippets/snippets.json

@@ -128,5 +128,12 @@
 			"const [${1:state}, ${2:formAction}, ${3:isPending}] = useActionState(${4:fn}, ${5:initialState});$0"
 		],
 		"description": "React useActionState() hook"
+	},
+	"useOptimistic": {
+		"prefix": "uoh",
+		"body": [
+			"const [${1:optimisticState}, ${2:addOptimistic}] = useOptimistic(${3:state}, ${4:updateFn});$0"
+		],
+		"description": "React useOptimistic() hook"
 	}
 }