docs(changelog): added new feature to CHANGELOG.md

Author: TopFox

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Uncheck all checked items ([#156])
 
 ## [1.3.1] - 2025-07-12
 ### Changed