Update CHANGELOG.md

Author: nuno-vieira

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### ✅ Added
 - Feature rich markdown rendering with AttributedString [#757](https://github.com/GetStream/stream-chat-swiftui/pull/757)
 - Add `Fonts.title2` for supporting markdown headers [#757](https://github.com/GetStream/stream-chat-swiftui/pull/757)
+- Add support for Draft Messages when `Utils.messageListConfig.draftMessagesEnabled` is `true` [#775](https://github.com/GetStream/stream-chat-swiftui/pull/775)
 ### 🔄 Changed
 - Uploading a HEIC photo from the library is now converted to JPEG for better compatibility [#767](https://github.com/GetStream/stream-chat-swiftui/pull/767)