Update CHANGELOG.md

Author: dbanty

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Additions
 - Link to the GitHub repository from PyPI (#26). Thanks @theY4Kman!
 - Support for date properties (#30, #37). Thanks @acgray!
+- Allow naming schemas by property name and Enums by title (#21, #31, #38). Thanks @acgray!
 
 ### Fixes
 - Fixed some typing issues in generated clients and incorporate mypy into end to end tests (#32). Thanks @acgray!