patch
https://basket-service.tixuk.io/api/v1/baskets//applyPromotion
Apply promotion to a basket when this is possible.
If request is correct return basket details.
If request is invalid return 400 status code with error message.
If nothing was found return 404 status code with error message.
If service has internal error return 500 status code with error message.
If service is not available return 503 status code with error message.
If service did not receive a timely response return 504 status code with error message.