improve changelog

CHANGELOG.md

@@ -4,15 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [Unreleased](https://git.d3data.de/D3Public/PRGredirect/compare/1.0.0.0...rel_1.x)
 
-## [1.0.0.0] - 2022-07-25
+## [1.0.0.0](https://git.d3data.de/D3Public/PRGredirect/releases/tag/1.0.0.0) - 2022-07-25
 ### Added
 - performs POST forwarding in the following controllers
   - Search
   - Article lists (categories, manufacturers, vendors)
   - Contact
-- no forwarding in case of errors in the contact form
-
-[Unreleased]: https://git.d3data.de/D3Public/PRGredirect/compare/1.0.0.0...HEAD
-[1.0.0.0]: https://git.d3data.de/D3Public/PRGredirect/releases/tag/1.0.0.0
+- no forwarding in case of errors in the contact form