UI page for CRUD operations with org-secrets

[evgeniy-scherbina]

• Org Admin should be able to view, create, update and delete org secrets, using API defined in Define and implement API for org-secrets #801
• UI should have parity with CLI defined in Define and implement CLI for user-secrets #791 and Define and implement CLI for org-secrets #802
• UI should support auto-injection as env vars and files