Use keep-a-changelog style for CHANGELOG.md

CHANGELOG.md

@@ -2,17 +2,31 @@
 
 All notable changes to this project will be documented in this file.
 
-## [Unreleased v0.2.0]
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Changed
 
 - Adjusted `github-linguist` statistics, ignoring `.hooks`
 - Widened `paths-ignore` for `build` and `test` workflows.
-- Removed `paths-ignore` for `build` workflow on `push` trigger.
 - Switched release step token to use `secrets.GH_RELEASE_TOKEN`, so the author is bound to `Xevion` instead of `github-actions` (a bot).
+- Switched changelog format to `keep-a-changelog` style.
+
+### Removed
+
+- Removed `paths-ignore` for `build` workflow on `push` trigger.
 
 ## v0.1.6
 
+### Added
+
 - Began tracking changes in the `CHANGELOG.md` file.
+- Added testing workflow to the repository, targeting only major x64 platforms.
+- Added testing badge to README
+
+### Changed
+
 - [breaking] Lowered MSRV to 1.74 to match `librespot`'s `0.5.0-dev` branch.
 - Fixed `pre-commit` hook to properly process the `CARGO_README.md` file.
-- Added testing workflow to the repository, targeting only major x64 platforms.
-- New testing badge in README