doc: update CHANGELOG for version 2.2.1

CHANGELOG.md

@@ -6,6 +6,39 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
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+## [v2.2.1](https://gitlab.com/nodiscc/dlc/releases/tag/2.2.1) - 2020-03-14
+
+### Changed
+
+- remove all plymouth/wallpaper customizations, use Debian defaults
+- display plymouth boot loading screen
+- Makefile: move 3rd party downloads to separate file, improve 'clean' target, improve idempotence/separation of concerns
+- skel: quodlibet: set default rating to 0
+- skel: xfwm: decrease default number of workspaces to 2
+- skel: xfwm4: disable window shadows
+- update README
+
+### Added
+
+- add third party package for https://github.com/EionRobb/pidgin-opensteamworks/
+- add third party download for https://addons.mozilla.org/en-US/firefox/addon/keepassxc-browser/
+- add third party download for https://addons.mozilla.org/en-US/firefox/addon/cookie-autodelete/
+- add third party download for https://github.com/nodiscc/user.js
+- add third-party download for https://github.com/az0/cleanerml
+- add (disabled) third party download for  https://www.sublimetext.com/
+- Makefile: add a target to generate a TODO.md from a list of gitea issues, add TODO.md
+
+### Removed
+
+- remove Samba server
+
+### Fixed
+
+- fix broken installation of graphics/image packages list
+- associate SVG files with ristretto
+
+-------------------------------
+
 ## [v2.2](https://gitlab.com/nodiscc/dlc/releases/tag/2.2) - 2020-03-08
 
 Initial release, git repository reset and rebuilt from scratch. See commit messages and documentation.