Changes to Create a Contact

added the new optional request property is_inbound

added the new optional request property notes

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

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

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

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

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

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

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