Changes to Create Organization Endpoint

the request property organization_key became required

request property organization_key list-of-types was narrowed by removing types null from media type application/json

removed the optional property organization/default_agent_id from the response with the 200 status

added the optional property organization/referral_source to the response with the 200 status

added the required property organization/tier to the response with the 200 status

added the optional property organization/default_agent_id to the response with the 200 status