CHANGELOG.md in claude-ruby-0.2.1 vs CHANGELOG.md in claude-ruby-0.3.0

@@ -1,4 +1,10 @@
+## [0.3.0] - 2024-06-29
+
+- Added constants for the main Claude models
+- Added default user_message payload
+- Added parse_response method
+
 ## [0.2.1] - 2024-03-24
 
 - Fixed dependencies
 
 ## [0.2.0] - 2024-03-24