Phase 5 + all remaining

inventory-server/dashboard/acot-server/routes/discounts.js

@@ -1,6 +1,6 @@
-const express = require('express');
-const { DateTime } = require('luxon');
-const { getDbConnection } = require('../db/connection');
+import express from 'express';
+import { DateTime } from 'luxon';
+import { getDbConnection } from '../db/connection.js';
 
 const router = express.Router();
 
@@ -573,4 +573,4 @@ router.post('/simulate', async (req, res) => {
   }
 });
 
-module.exports = router;
+export default router;