Changes to POST /v2/reviews/:platform

added CreateReviewErrorCustomerDeleted to the error response property oneOf list for the response status 422

added the optional property error/code to the response with the 401 status

added the optional property error/code to the response with the 403 status

added unsupported_platform merchant_id_already_exists invalid_site_id customer_deleted discriminator mapping keys to the error response property for the response status 422