feat(api-user): add basic User Entity and basic routing to fetch all users

server/routes/index.ts

@@ -0,0 +1,15 @@
+import { Router } from 'express';
+import user from './user';
+
+const router = Router();
+
+router.use('/user', user);
+
+router.get('/', (req, res) => {
+  return res.status(200).json({
+    api: 'Overseerr API',
+    version: '1.0',
+  });
+});
+
+export default router;