fix: Update changelog for version 0.2.0 with recent enhancements and bug fixes. (#19)

Author: terabytesoftw

CHANGELOG.md

@@ -7,6 +7,8 @@
 - Enh #14: Consolidate `PHPUnit` workflows and update `README.md` with `Yii2` version badges (@terabytesoftw)
 - Bug #15: Correct badge label formatting for `Yii2` version in `README.md` (@terabytesoftw)
 - Bug #16: Remove duplicate concurrency settings from phpunit-compatibility job in `build.yml` (@terabytesoftw)
+- Bug #17: Update changelog for version `0.2.0` with recent enhancements and bug fixes (@terabytesoftw)
+- Bug #18: Add usage instructions and configuration details for `phpstan.neon` in `README.md` (@terabytesoftw)
 
 ## 0.1.0 February 27, 2024