docs: 📝 CHANGELOG.md update

Author: dhyash-simform

CHANGELOG.md

@@ -1,6 +1,12 @@
 ## 0.0.2
 
-- Add support for update message
+* **Feat**: [18](https://github.com/SimformSolutionsPvtLtd/chatview_utils/pull/18) Added
+  `updateMessage()` method in `ChatController` to update existing messages.
+* **Feat**: [17](https://github.com/SimformSolutionsPvtLtd/chatview_utils/pull/17) Added
+  `loadMoreData()` method in `ChatController` to fetch older or new messages.
+* **Feat**: [19](https://github.com/SimformSolutionsPvtLtd/chatview_utils/pull/19) Introduced
+  `ChatViewListController`to support `ChatViewList` widget for managing chat list operations like
+  add, remove and update chat with animated UI, search functionality, and pagination.
 
 ## 0.0.1