docs: update changelog

CHANGELOG.md

@@ -6,12 +6,21 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.2.0] - 2023-04-15
+
+### Added
+
+- Added serde, made rayon optional, introduced GitHub actions CI, fixed many code smells. ([#25](https://github.com/laysakura/fid-rs/pull/25))
+- feature: Make Fid cloneable. ([#26](https://github.com/laysakura/fid-rs/pull/26))
+
 ## [v0.1.1] - 2019-04-26
+
 Just fixed docs.rs URL.
 
 ## [v0.1.0] - 2019-04-25
 Initial release.
 
-[Unreleased]: https://github.com/laysakura/fid-rs/compare/v0.1.1...HEAD
-[v0.1.1]: https://github.com/laysakura/fid-rs/compare/v0.1.0...v0.1.1
+[Unreleased]: https://github.com/laysakura/fid-rs/compare/v0.2.0...HEAD
+[v0.2.0]: <https://github.com/laysakura/fid-rs/compare/v0.1.1...v0.2.0>
+[v0.1.1]: <https://github.com/laysakura/fid-rs/compare/v0.1.0...v0.1.1>
 [v0.1.0]: https://github.com/laysakura/fid-rs/compare/48fe478...v0.1.0