add missing copyright

Author: maximthomas

openam-ui/openam-ui-js-sdk/src/lib/NotFoundPage.tsx

@@ -1,3 +1,19 @@
+/**
+ * The contents of this file are subject to the terms of the Common Development and
+ * Distribution License (the License). You may not use this file except in compliance with the
+ * License.
+ *
+ * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
+ * specific language governing permission and limitations under the License.
+ *
+ * When distributing Covered Software, include this CDDL Header Notice in each file and include
+ * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
+ * Header, with the fields enclosed by brackets [] replaced by your own identifying
+ * information: "Portions copyright [year] [name of copyright owner]".
+ *
+ * Copyright 2025-2026 3A Systems LLC.
+ */
+
 export default function NotFoundPage() {
   return <h2>404 — Page Not Found</h2>;
 }