* start adding rss functionality
* add gorilla/feeds dependency
* first bash at building rss feed
still needs work, this is an interim commit
* tidy up a bit
* add publicOnly option to GetAccountLastPosted
* implement rss endpoint
* fix test
* add initial user docs for rss
* update rss logo
* docs update
* add rssFeed to frontend
* feed -> feed.rss
* enableRSS
* increase rss logo size a lil bit
* add rss toggle
* move emojify to text package
* fiddle with rss feed formatting
* add Text field to test statuses
* move status to rss item to typeconverter
* update bun schema for enablerss
* simplify 304 checking
* assume account not rss
* update tests
* update swagger docs
* allow more characters in title, trim nicer
* update last posted to be more consistent
* validate web-asset-base-dir
* move default icons into converter
* always ensure avatar + header on api accounts
* update tests
* add default header
* don't return error from web module creation anymore
* tidy a bit
* use pngs for default avatars rather than svgs
* start working on etag stuff
* add + use cache middleware
* generate etags on the fly
* remove unused field
* clean up filepath
* add license headers to cache files
* add attachgroup function to router interface
* move cache into web module
* rename a couple things
* remove attachStaticFS function from router
* rename + tidy up a few things
* mount assets filesystem
* create assetsFileInfoCache
* update comment
* simplify hash
* fix string fmt
* skip last mod chk, prefer strong etags w/long cache
* move base handler to its own file
this matches the modules in the api folder
* generate new etag if file was modified
* wrap strong etag in quotation marks as per spec
* clarify logic in avatar search
* make hashing a little niftier
