Extend database with more tables, rewrite API doc, improve API endpoints

software/src/data/api/orderApi.ts

@@ -1,7 +1,16 @@
 import axios from "axios"
+import { OrderModel } from "../models/orderModel"
+import { BasketItemModel } from "../models/basketItemModel"
 
 const BASE_URL = "http://localhost:3000/orders"
 
 export async function getUserOrders(userId: number) {
   return axios.get(BASE_URL + "/" + userId)
+}
+
+export async function addOrder(accountId: number, basketItems: Array<BasketItemModel>) {
+  return axios.post(BASE_URL, {
+    "accountId": accountId,
+    "orderItem": basketItems
+  })
 }