docs: add CHANGELOG.md

Author: Mukller

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/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Future features will be listed here
+
+### Changed
+- Ongoing updates
+
+### Fixed
+- Bug fixes
+
+---
+*[Mukller](https://github.com/Mukller)*