Refactor logging implementation and enhance authentication logging

routes/auth.js

@@ -1,5 +1,6 @@
 const express = require('express');
 const basicAuth = require('basic-auth');
+const logger = require('../logger');
 const router = express.Router();
 
 router.post('/login', (req, res) => {
@@ -10,6 +11,7 @@ router.post('/login', (req, res) => {
     if (user && user.name === username && user.pass === password) {
         req.session.user = user.name;
         res.status(200).send('Login successful');
+        logger.info(`User ${user.name} logged in`); 
     } else {
         res.status(401).send('Authentication required');
     }