Update CHANGELOG.md

Author: ThomasJejkal

CHANGELOG.md

@@ -4,9 +4,9 @@ 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]
 
-## [1.0.1]
+## [1.0.1] - date 2023-06-13
 ### New Features
 - Simple alert is shown if mapping fails to provide some feedback