feat: change the message in indexroute

src/routes/IndexRoute.ts

@@ -2,6 +2,6 @@ import { FastifyInstance } from 'fastify';
 
 export default function (router: FastifyInstance) {
     router.get('/', async (request, reply) => {
-        return { hello: 'world' };
+        return { message: "hey" };
     });
 }