add CI tests and publishing workflows

.gitea/workflows/reuse.yaml

@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: 2023 Max Mehl <https://mehl.mx>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: REUSE Compliance
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  reuse:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check REUSE Compliance
+        uses: https://github.com/fsfe/reuse-action@v2