fix mii compatibility

src/nnid/mapped_ids.rs

@@ -80,4 +80,9 @@ pub async fn mapped_ids(pool: &State<Pool>, input_type: String, output_type: Str
             mapped_id: outputs
         }
     ))
+}
+
+#[get("/v1/api/admin/time")]
+pub fn get_time() {
+    // stubbed, it only needs the header.
 }