* Adding Zen Browser matugen template
* Fixing indentation for matugen.go edits
* Trying to fix linting again..
* Tweaking contrasting surface colors in css, renamed file to match how firefox userchrome is named, also changed output directory to DMS config directory (like firefox)
* Modifing Zen userChrome again: removing unused css stuff, tweaking colors to better align with how pywalfox handles backgrounds/toolbars
* Last few tweaks on CSS - changing url bar highlight color, changing contrast on selected urls in dropdown
* matugen.go: fix check command for zen browser
* search_index: add zen browser setting
