fix: add TODO comment for additional exports or configurations in probotApp

Author: Alwil17

src/index.ts

@@ -12,4 +12,5 @@ export const probotApp = (req: IncomingMessage, res: ServerResponse) => {
     res.writeHead(404);
     res.end();
   });
-};
+};
+// TODO: Add any additional exports or configurations needed for your app