feat(auth): add user schema and auth api

src/app.js

@@ -0,0 +1,33 @@
+import express from 'express';
+import cors from 'cors';
+import helmet from 'helmet';
+import cookieParser from 'cookie-parser';
+import morgan from 'morgan';
+import routes from './routes/index.js';
+
+const app = express();
+
+app.use(
+  cors({
+    origin: process.env.CLIENT_URL || 'http://localhost:5173',
+    credentials: true,
+  })
+);
+app.use(helmet());
+app.use(express.json({ limit: '2mb' }));
+app.use(cookieParser());
+app.use(morgan(process.env.NODE_ENV === 'production' ? 'combined' : 'dev'));
+app.use('/api', routes);
+
+app.use((req, res) => {
+  res.status(404).json({ success: false, message: 'Route not found' });
+});
+
+app.use((err, req, res, next) => {
+  const status = err.status || 500;
+  res
+    .status(status)
+    .json({ success: false, message: err.message || 'Server error' });
+});
+
+export default app;