Changes to Check out the cart

the response's body type changed from no type to object for status 201

removed SuccessResponse subschema #2 from the response body allOf list for the response status 201

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 422

added the required property success to the response with the 201 status

the endpoint scheme security bearerAuth was added to the API

api operation id CheckoutDIDnumbers removed and replaced with cart_checkout

added SuccessResponse to the response body allOf list for the response status 201

removed OperationSuccessfulRepose from the response body allOf list for the response status 201

endpoint added