chore: added changelog for 2.5.0

Author: SamTV12345

CHANGELOG.md

@@ -1,7 +1,10 @@
 # 2.5.0
 
 ### Notable enhancements and fixes
-- Updated to express 5.0.0. This is a major update to express that brings a lot of improvements and fixes.
+
+- Updated to express 5.0.0. This is a major update to express that brings a lot of improvements and fixes. Please update all your plugins to the latest version to ensure compatibility. A lot changed in the route matching, and thus old plugins will throw errors and crash Etherpad.
+- Fixed an issue with the no-skin theme with cookie recentPadList feature
+- Fixed layout issues with the no-skin theme
 
 # 2.4.2