* refactor setting router code
splitted up one huge router settings file into the smaller files
representing the actual page structure
* move code to subfolder
* rename functions
* renamed files
* add copyright information
* moved avatar to profile page
* combined password change, email and account deletion into account settings page
* combined totp, access tokens, linked accounts and openid into security settings page
* move access tokens to applications settings page
* small change to restart drone build
* fix change avatar url on profile page
* redirect old settings urls to new ones
* enforce only one autofocus attribute on settings pages
* set correct redirect status code
* fmt fix
