* Avatar support minio
* Support repo avatar minio storage
* Add missing migration
* Fix bug
* Fix test
* Add test for minio store type on avatars and repo avatars; Add documents
* Fix bug
* Fix bug
* Add back missed avatar link method
* refactor codes
* Simplify the codes
* Code improvements
* Fix lint
* Fix test mysql
* Fix test mysql
* Fix test mysql
* Fix settings
* Fix test
* fix test
* Fix bug
