* Update README.md
Provide badges and references to the AUR for Arch Linux Authelia packages.
Closes#571#572.
* Add systemd unit file
Include the unit in future release artifacts.
* Remove CHANGELOG.md
As of future releases Changelog details will dynamically be generated.
* Update README.md
Add badge for authelia-git package.
* Update Changelog to only publish explicit Docker tag
Do not include Major and Minor versions, as these will change over time.
