add copyright

ChristopherHX · ChristopherHX · commit 6a29629d2f92 · 2025-05-02T11:53:34.000+02:00
diff --git a/models/asymkey/key.go b/models/asymkey/key.go
@@ -1,3 +1,6 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
 package asymkey
 
 type SigningKey struct {
