#746 Add GitHub action for compliance checking using reuse

Author: mrotteveel

.github/workflows/reuse-compliance.yml

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: 2022 Free Software Foundation Europe e.V. <https://fsfe.org>
+# SPDX-License-Identifier: CC0-1.0
+
+name: REUSE Compliance Check
+
+on:
+  push:
+    branches: ['*']
+  pull_request:
+    branches: ['*']
+
+permissions:
+  contents: read
+
+jobs:
+  reuse:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: REUSE Compliance Check
+        uses: fsfe/reuse-action@v5