add license info

models_test.go

@@ -1,3 +1,19 @@
+// oerc, alias oer-collector
+// Copyright (C) 2021-2024 emschu[aet]mailbox.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public
+// License along with this program.
+// If not, see <https://www.gnu.org/licenses/>.
 package main
 
 import (