Update CHANGELOG.md

Author: ZeroIntensity

CHANGELOG.md

@@ -5,7 +5,7 @@ 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
+## [1.0.0-alpha6] - 2023-11-30
 
 - Added `get_app`
 - Added documentation generation