* [feature] add TOTP two-factor authentication (2FA)
* use byteutil.S2B to avoid allocations when comparing + generating password hashes
* don't bother with string conversion for consts
* use io.ReadFull
* use MustGenerateSecret for backup codes
* rename util functions
* [feature] Application creation + management via API + settings panel
* fix docs links
* add errnorows test
* use known application as shorter
* add comment about side effects
* re-add eslint
* fix oauth url getting too long
* actually attach single emoji get and delete routes
* basic emoji details + deletion using rtk query
* refactor emoji upload to rtk query
* clean up old redux api+reducers for custom emoji
* fix validation order
* refactor custom emoji form fields
* remove unused requires
* cleanup, fix most eslint errors
* more small eslint fixes
* fix max emoji size
* tiny bit of function documentation
* re-structure bundler, settings panel files
* add more info logging
* tidy up CSS syntax errors
* split into lib/ files
* livereloading server
* fix factor function for production builds
* remove testing console.log
* default to production env, saves 300kb bundle size