Refine and cleanup

backend/app.js

@@ -1,13 +1,13 @@
 import express from 'express';
 import cors from 'cors';
-import notesRoutes from './routes/notes.routes.js';
+import router from './routes/notes.routes.js';
 
 const app = express();
 
 app.use(cors());
 app.use(express.json());
 
-app.use('/v1/notes', notesRoutes);
+app.use('/v1/notes', router);
 
 app.use((req, res) => {
    res.status(404).json({ error: `Requested path is invalid or does not exist: ${req.method} ${req.originalUrl}` });