feat: finish back-end work (untested)

api/dto/item_order_set_made_request.go

@@ -0,0 +1,7 @@
+package dto
+
+type ItemOrderSetMadeRequest struct {
+	OrderId int `json:"order_id"`
+	ItemId  int `json:"item_id"`
+	Made    int `json:"made"`
+}