Add changelog

Author: Rakambda

CHANGELOG.md

@@ -1,12 +1,10 @@
 # Changelog
 
-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).
-
-## [2.2.0] - Unreleased
+## [2.2.0] - 2019-11-07
 
 - Update Amcharts to 4.7.7.
-- When watching a video across several days the time is split between these days instead of all being on the last day  (#15). 
+- When watching a video across several days the time is split between these days instead of all being on the last day  (#15).
+- Added a button in the settings to export the data directly on Dropbox.
 
 ## [2.1.3] - 2019-10-08