Add changelog.

VolkerHartmann · VolkerHartmann · commit 59e1e7d5ed5d · 2021-04-27T13:32:45.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@ 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]
+- Switch to gitHub Actions for CI
 
 ## [0.0.4] - date 2020-12-16
 ### Fixed
