Feat: Add "No catalog" option in the type for create/edit registry page

[xingzhang-suse]

Add "No catalog" option in the type dropdown.
When user select "No catalog", repositories field must be required.
General reference of backend scope: https://docs.google.com/document/d/10iQhEsEE1Zk2Dm2fe7aubaRE_gLzcxrboRZBrMhPFsc/edit?usp=sharing