Changes

https://github.com/wikimedia/mediawiki-skins-chameleon/blob/master/docs/index.md <ref>{{@todoDone}} Actually add Chameleon. Since it's not a download, but rather installed with composer, the steps will be different than the current Vector and Foreground aka shell: composer require "mediawiki/chameleon-skin:~1.0"{{@todo}}Test the implementation and also reconfigure the whole layout of the 'farm' configs and overrides</ref>