Add missing tags to rest-openapi.yaml path endpoints

• Type: Task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: None
• Fix Version/s: None
• Component/s: User Management
• Labels:
  • technical-debt

headless-admin-user-impl:

• "/my-user-account/sites":
  • get
• "/sites/by-friendly-url-path/{friendlyUrlPath}":
  • get
• "/sites/{siteId}":
  • get
• "/user-accounts":
  • post
• "/user-accounts/{userAccountId}":
  • patch
  • put