docs: update changelog

Author: leefowlercu

CHANGELOG.md

@@ -5,6 +5,32 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.0] - 2025-11-09
+
+### Added
+- Add teams service
+
+### Documentation
+- Add teams service example program
+- Add upstream bug reports for teams service bugs
+- Update in-code service documentation for gateways and tools services
+- Update project documentation
+- Update readme for accuracy regarding service toggle endpoints inconsistency
+
+### Tests
+- Add teams service unit tests and integration tests
+- Fix integration tests after client creation functionality update
+- Update integration test helpers
+- Update integration test setup and teardown script to store helper files in project root tmp/ directory
+
+## [0.3.0] - 2025-11-09
+
+### Added
+- Standardize on new sdk client baseurl parameter requirement
+
+### Tests
+- Skip resources service toggle unit test until upstream bug is fixed
+
 ## [0.2.1] - 2025-11-09
 
 ### Documentation
@@ -28,6 +54,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial commit, add contextforge api client sdk, add gateways, servers, prompts, resources, and tools services, add integration test suite, add unit tests
 
+[0.4.0]: https://github.com/leefowlercu/go-contextforge/compare/v0.3.0...v0.4.0
+[0.3.0]: https://github.com/leefowlercu/go-contextforge/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/leefowlercu/go-contextforge/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/leefowlercu/go-contextforge/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/leefowlercu/go-contextforge/releases/tag/v0.1.0