The design is very flexible, but not implemented correctly.
This commit fixes several issues:
* Costom storage type stated in https://docs.gitea.io/en-us/config-cheat-sheet/#storage-storage
not working
* [storage.attachments], [storage.minio] section not respected
Signed-off-by: 胡玮文 <huww98@outlook.com>
Co-authored-by: 胡玮文 <huww98@outlook.com>