fix ci/cd

Author: amish kohli

src/api/server.ts

@@ -70,6 +70,11 @@ app.get('/api/rewards/:chain/:user', async (req : any , res : any) => {
   }
 });
 
+// Add health check endpoint
+app.get('/', (req, res) => {
+  res.status(200).json({ status: 'healthy' });
+});
+
 app.listen(port, () => {
   console.log(`Server running on port ${port}`);
 });