fix: update app.listen to include hostname in server configuration

src/index.ts

@@ -19,7 +19,7 @@ app.get("/cover/:artist/:album/:id", ({ params: { artist, album, id } }) =>
   get_image_from_server(artist, album, id),
 );
 
-app.listen(3000, ({ hostname, port }) => {
+app.listen({ hostname: '0.0.0.0', port: 3000 }, ({ hostname, port }) => {
   console.log(`🦊 Elysia is running at ${hostname}:${port}`);
 });