fix copyright

Zettat123 · Zettat123 · commit bdd72f88eb8d · 2024-11-06T14:23:47.000+08:00
diff --git a/services/doctor/actions.go b/services/doctor/actions.go
@@ -1,3 +1,6 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
 package doctor
 
 import (
