Pretty Mobile Reddit wot Gardahck

This extension includes:
* cache based subreddit blocking and management (see bottom of the page for blocked subreddits)
* remove style of individual subreddits that you find particularly heinous (click button at bottom of subreddit page to remove)
* with firefox dark-mode enabled - many layout optimizations
* modest re-styling of the main pages, menus and comment pages.
* swipe left to open the side bar starting right of center
* swipe right to open header menu starting left of center