Updated CHANGELOG

Author: martinmitrevski

CHANGELOG.md

@@ -3,6 +3,18 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 # Upcoming
 
+### ✅ Added
+- Possibility to customize message transitions
+- Config for changing reaction colors
+- Config for becoming first responder in chat channel
+- Config for double tap message overlay
+- Config for custom width / count of trailing items in swiped channel
+
+### 🐞 Fixed
+- Issue with resizing composer with large text
+- Updating channel list before coming back to the screen
+- Disable the send button when there's only whitespace
+
 ### 🔄 Changed
 
 # [4.13.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.13.0)