* [feature] Add emoji categories GET
Serialize emojis in appropriate categories; make it possible to get categories via the admin API
* [feature] Create (or use existing) category for new emoji uploads
* fix lint issue
* update misleading line in swagger docs
* add custom css account property + db func to fetch
* allow account to get/set custom css
* serve custom css for an account
* go fmt
* use monospace for customcss, add link
* add custom css to account cache
* fix broken field
* add custom css docs to user guide
* add `accounts-allow-custom-css` config flag
* add allow custom css to /api/v1/instance response
* only show/set custom css if allowed to do so
* only set/serve custom account css if enabled
* update swagger docs
* chain promise
* make bool a bit clearer
* use cache for GetAccountCustomCSSByUsername
* start work on user panel
* parse source first before checking if empty form
* newline
* set avi + header nicely
* add posts settings
* render signin a bit nicer on mobile
* return OK json on successful change
* return unauthorized on bad password
* clarify message on insecure password
* make login a bit prettier
* add alt text + border round image previews
* add logout button
* add password change
* styling updates
* redirect /auth/edit to /user
* update tests
* fix validation tests
* better labels, link to more info
* make submit button generic component
* move submit button inside forms
* add autocomplete labels to password fields
* fix indentation (thx eslint)
* update eslintrc
* eslint: no-unescaped-entities
* initial deduplication between user and admin panel
* add default status/post format setting
* user panel styling for inputs
* update user panel styling, include normalize css
* add placeholder text
* input padding
Co-authored-by: f0x <f0x@cthu.lu>
* add post_format to acct & use it when making post
* update swagger docs
* add status_format updating to frontend
* fix up tests
* post_format => status_format
* add status_format to account validation
