Changes to Create Smart Link

added the new optional request property event_source_url

added the optional property data/event_source_url to the response with the 200 status

added the new optional request property cloaking_enabled

the request property link_type became optional

added the optional property data/creator_id to the response with the 200 status

added the optional property data/creator_username to the response with the 200 status

added the optional property data/platform to the response with the 200 status

endpoint added