fix: examples folder

examples/tuono-app/src/routes/api/health_check.rs

@@ -0,0 +1,7 @@
+use tuono_lib::Request;
+use tuono_lib::axum::http::StatusCode;
+
+#[tuono_lib::api(GET)]
+pub async fn my_get_request(_req: Request) -> StatusCode {
+    StatusCode::OK
+}