feat: add helmet middleware for security enhancements

Author: LightYagami28

API/server.js

@@ -3,13 +3,15 @@ import { checkIsValid, newSecretKey } from "./totp.js"
 import { hashPassword, checkPassword } from "./hashingPasswd.js"
 
 import express from 'express';
+const helmet = require('helmet');
 import cors from 'cors';
 import { use } from "react";
 
 const app = express();
 const PORT = 3000;
 
 app.use(cors());
+app.use(helmet());
 app.use(express.json());
 
 const pendingLogin = {};