docs(react-native): Update rich text formatting documentation and reorganize push notifications

- Remove Push Notifications group from docs.json navigation structure
- Expand Rich Text Formatting description to include additional formatting options (code, links, lists, blockquotes, code blocks)
- Add anchor link to CompactMessageComposer rich text formatting section
- Update CompactMessageComposer documentation to reflect full range of supported formatting features
- Improve MessageList description to clarify automatic styling application
- Simplify messaging to focus on core benefits of rich text formatting

Author: suraj-chauhan-cometchat

docs.json

@@ -3215,13 +3215,6 @@
                             "pages": [
                               "sdk/react-native/resources-overview",
                               "sdk/react-native/real-time-listeners",
-                              {
-                                "group": "Push Notifications",
-                                "pages": [
-                                  "notifications/react-native-push-notifications-android",
-                                  "notifications/react-native-push-notifications-ios"
-                                ]
-                              },
                               "sdk/react-native/push-notification-html-stripping",
                               "sdk/react-native/upgrading-from-v3"
                             ]

ui-kit/react-native/core-features.mdx

@@ -133,16 +133,16 @@ Mentions is a feature that enhances the interactivity and clarity of group or 1-
 
 ## Rich Text Formatting
 
-Rich Text Formatting allows users to style their messages with bold, italic, underline, strikethrough, and inline code formatting. This brings richer expression to conversations and helps users emphasize key points, making communication clearer and more engaging.
+Rich Text Formatting allows users to style their messages with bold, italic, underline, strikethrough, code, links, lists, blockquotes, and code blocks. This brings richer expression to conversations and helps users emphasize key points.
 
 <Frame>
   <img src="/images/rich-text-composer-only.png" />
 </Frame>
 
 | Components                                                                        | Functionality                                                                                                                                                                                                                                                  |
 | --------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| [CompactMessageComposer](/ui-kit/react-native/compact-message-composer) | [CompactMessageComposer](/ui-kit/react-native/compact-message-composer) provides a built-in rich text editor with formatting toolbar and native text selection menu items for bold, italic, underline, strikethrough, and code formatting. |
-| [MessageList](/ui-kit/react-native/message-list)                             | [MessageList](/ui-kit/react-native/message-list) renders formatted messages with the appropriate styling applied, displaying bold, italic, underline, strikethrough, and code formatting as intended by the sender. |
+| [CompactMessageComposer](/ui-kit/react-native/compact-message-composer#rich-text-formatting) | [CompactMessageComposer](/ui-kit/react-native/compact-message-composer#rich-text-formatting) provides a built-in rich text editor with formatting toolbar and text selection menu items for bold, italic, underline, strikethrough, code, links, lists, blockquotes, and code blocks. |
+| [MessageList](/ui-kit/react-native/message-list)                             | [MessageList](/ui-kit/react-native/message-list) renders formatted messages with the appropriate styling automatically applied, ensuring that rich text formatting is displayed exactly as intended by the sender. |
 
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