Add support of "create" prompt.

[antrix1989]

Proposed changes

Work item: https://identitydivision.visualstudio.com/Engineering/_workitems/edit/1233367
See core pr: AzureAD/microsoft-authentication-library-common-for-objc#1039

Type of change

• Feature work
• Bug fix
• Documentation
• Engineering change
• Test
• Logging/Telemetry

Risk

• High – Errors could cause MAJOR regression of many scenarios. (Example: new large features or high level infrastructure changes)
• Medium – Errors could cause regression of 1 or more scenarios. (Example: somewhat complex bug fixes, small new features)
• Small – No issues are expected. (Example: Very small bug fixes, string changes, or configuration settings changes)

Additional information