Use REUSE to specify licensing info

src/module/hooks/setup.ts

@@ -1,3 +1,10 @@
+// SPDX-FileCopyrightText: 2021 Johannes Loher
+// SPDX-FileCopyrightText: 2021 Oliver Rümpelein
+// SPDX-FileCopyrightText: 2021 Gesina Schwalbe
+// SPDX-FileCopyrightText: 2021 Siegfried Krug
+//
+// SPDX-License-Identifier: MIT
+
 import { DS4 } from "../config";
 
 export default function registerForSetupHooks(): void {