code: @RequestMapping(path = "", method = RequestMethod.POST)
      public ResponseEntity<Order> createOrder(@RequestBody OrderInfo orderInfo) {
          Order order = orderService.createOrder(orderInfo);
          if(order != null){
              return new ResponseEntity<Order>(order, HttpStatus.CREATED);
          }
          return new ResponseEntity<Order>(HttpStatus.BAD_REQUEST);
      }
docs: Create new order
  @param orderInfo order to be created
  @response 201
  @response 400
  @return Created order