add check step

backend/src/router.rs

@@ -5,6 +5,7 @@ use std::time::Duration;
 use axum::extract::Request;
 use axum::middleware::{Next, from_fn};
 use axum::response::Response;
+#[allow(unused_imports)]
 use axum::routing::{get, post};
 use axum::{Router, body::Body};
 use http::StatusCode;