Re-added workflow files

frontend/package.json

@@ -105,7 +105,7 @@
   ],
   "devDependencies": {
     "prettier": "2.4.1",
-    "promise-window": "^1.2.1"
+    "promise-window": "^1.2.1",
     "@babel/core": "^7.15.8",
     "babel-eslint": "^10.1.0",
     "webpack": "^4.44.2",

frontend/src/App.jsx

@@ -1,6 +1,5 @@
 import React, { useState, useEffect } from "react";
 
-//import { Route, Routes } from "react-router";
 import { Route, Routes, BrowserRouter } from "react-router-dom";
 import { CookiesProvider } from "react-cookie";
 import { removeCookies, useCookies } from "react-cookie";