Add copywrite headers

SBGoods · SBGoods · commit afeec7dd8905 · 2025-02-06T11:55:50.000-05:00
diff --git a/resourcevalidator/prefer_write_only_attribute.go b/resourcevalidator/prefer_write_only_attribute.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package resourcevalidator
 
 import (
diff --git a/resourcevalidator/prefer_write_only_attribute_test.go b/resourcevalidator/prefer_write_only_attribute_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package resourcevalidator_test
 
 import (
