Update changelog for v0.2.0

Signed-off-by: David Oberacker <[email protected]>

CHANGELOG.md

@@ -15,22 +15,42 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-[unreleased]: https://github.com/fzi-forschungszentrum-informatik/ros2_ros_bt_py/compare/v0.1.1...main
+[unreleased]: https://github.com/fzi-forschungszentrum-informatik/ros2_ros_bt_py/compare/v0.2.0...main
 
-## [v0.1.1]
+## [v0.2.0]
 
 ### Added
 
+- Strong type system for ROS types (thanks @doomse)
+
 ### Removed
 
+- ROS2 Iron build in CI
+
 ### Changed
 
-- Updated web UI to version 3.0.0.
+- Updated web UI to version 3.2.3.
 - Removed doc build instructions from Readme
 - Updated README.md to look better
 
 ### Fixed
 
+- Loading trees from packages
+
+[v0.2.0]: https://github.com/fzi-forschungszentrum-informatik/ros2_ros_bt_py/compare/v0.1.1...v0.2.0
+
+## [v0.1.1]
+
+### Added
+
+### Removed
+
+### Changed
+
+- Updated web UI to version 3.0.0.
+
+### Fixed
+
 - Fixed whitespaces in documentation Makefile (Makefiles should use tabs).
 - Fixed autodoc config for sphinx documentation build.
 
@@ -74,6 +94,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [v0.0.1]
 
 [v0.0.1]: https://github.com/fzi-forschungszentrum-informatik/ros2_ros_bt_py/releases/tag/v0.0.1
+
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 ## [vx.x.x] - YYYY-MM-DD