feat: add server file and app js with express and cors imports to start server

Author: Alexandrbig1

server.js

@@ -1 +1,7 @@
-// server.js
+import app from './src/app.js';
+
+const PORT = process.env.PORT || 3000;
+
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});

src/app.js

@@ -1 +1,10 @@
-// main application file
+import express from 'express';
+import cors from 'cors';
+
+const app = express();
+
+app.use(cors());
+app.use(express.json());
+
+export default app
+