chore: add changelog (#714)

CHANGELOG.md

@@ -0,0 +1,20 @@
+# Changelog
+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).
+
+## [Unreleased]
+### Added
+- Added a changelog [#714]
+### Changed
+- Changed the config format from ini to TOML [#571]
+
+[#571]: https://github.com/Spotifyd/spotifyd/pull/571
+[#714]: https://github.com/Spotifyd/spotifyd/pull/714
+### Removed
+
+## [0.2.24]
+
+[Unreleased]: https://github.com/Spotifyd/spotifyd/compare/v0.2.24...HEAD
+[0.2.24]: https://github.com/Spotifyd/spotifyd/releases/tag/v0.2.24