add reuse compliance workflow

Signed-off-by: Martijn Govers <[email protected]>

.github/workflows/reuse-compliance.yml

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2022 Contributors to the Power Grid Model project <[email protected]>
+#
+# SPDX-License-Identifier: MPL-2.0
+
+
+name: REUSE Compliance Check
+
+on:
+  # run pipeline on push event of main or release branch
+  push:
+    branches:
+      - main
+      - 'release/**'
+  # run pipeline on pull request
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  reuse-compliance-check:
+    if: (github.event_name == 'push') || (!startsWith(github.head_ref, 'release'))
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+    - name: REUSE Compliance Check
+      uses: fsfe/reuse-action@v2