feat: category crud

src/util/req.rs

@@ -0,0 +1,14 @@
+use axum::http::StatusCode;
+use serde::Serialize;
+
+#[derive(Serialize)]
+pub struct CommonResp {
+    pub code: i64,
+}
+
+pub fn internal_error<E>(err: E) -> (StatusCode, String)
+where
+    E: std::error::Error,
+{
+    (StatusCode::INTERNAL_SERVER_ERROR, err.to_string())
+}