Merge branch 'fork/JM-Player/feat/cloudmail-gen'

feat: add cloudmail provider and privacy masking UI

fix: make cf_inbox_jwt required, add DDG usage guide in register UI

feat: add DDG email provider with CF relay for registration

feat: support socks protocol for register

feat: add Inbucket mail provider integration and UI support

feat: add image deletion and yyds mail provider

add moemail provider

Add registration runner UI