There are too many files in `models/migrations` folder so that I split them into sub folders.
* go build / format tools * re-format imports
* Add migration to set IsArchived false if it is null Fix #11824 Signed-off-by: Andrew Thornton <art27@cantab.net> * Add doctor Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>