docs: update CHANGELOG

Author: nitayneeman

CHANGELOG.md

@@ -5,6 +5,12 @@ 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).
 
+## [1.0.1] - 2019-10-22
+
+### Changed
+
+- Change to use `git diff` for checking the staging area
+
 ## [1.0.0] - 2019-10-21
 
 - 🎉 Initial release