Update CHANGELOG.md

Author: tillsteinbach

CHANGELOG.md

@@ -1,7 +1,16 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## [Unreleased]
+## [Unreleased] (Available through Edge Tag)
+### Added
+- Support for older firmware versions
+- More plausability checking of the results coming from the switch
+
+### Changed
+- Now accepts any url to fetch results, not only /probe and /metrics
 
 ## [0.1.0] - 2021-04-22
 Initial release to enable "latest" tag on dockerhub
+
+[unreleased]: https://github.com/tillsteinbach/VWsFriend/compare/v0.1.0...HEAD
+[0.1.0]: https://github.com/tillsteinbach/VWsFriend/releases/tag/v0.1.0