Update app.js

app.js

@@ -11,6 +11,10 @@ const supabase = createClient(process.env.SUPABASE_URL,
 app.use(cors());
 app.use(express.json());
 
+
+app.get('/', (req, res) => res.send('Gateway Active'));
+
+
 const tempKeys = new Map(); // key -> { uid, projectId, createdAt }
 
 // --- MIDDLEWARE: AUTHENTICATION ---