docs: update changelog for v0.1.3

Author: d-oit

CHANGELOG.md

@@ -18,6 +18,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Dev container configuration for consistent development environment
 - Cargo configuration for faster builds with optimized settings
 - GOAP coordination system for quality check optimization
+- Benchmark suite for comprehensive performance testing
+- Performance analyzer module for detailed performance metrics
+- Performance optimizer module for automated performance improvements
+- Additional test files for enhanced test coverage (git_integration_tests.rs, handler_coverage_tests.rs)
 
 ### Fixed
 - YAML indentation issues in GitHub Actions workflows