refactor: calendar versioning instead of semver

CHANGELOG.md

@@ -3,9 +3,12 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
-and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+and this project adheres to [Calendar Versioning](https://calver.org/#scheme)
+with the `YY.0M.MICRO` scheme.
 
-## [0.1] - 2022-07-08
+<img src="https://img.shields.io/badge/calver-YY.0M.MICRO-22bfda.svg">
+
+## [22.07.0] - 2022-07-08
 
 ### Basic functionality