add logging for debugging

server.js

@@ -7,6 +7,12 @@ require('dotenv').config();
 const app = express();
 const port = process.env.SERVER_PORT || 3000;
 
+// add logging for troubleshooting
+app.use((req, res, next) => {
+    console.log(`Incoming request: ${req.method} ${req.url}`);
+    next();
+});
+
 // Middleware to parse incoming JSON data from the frontend
 app.use(express.json());