Add workflow to publish a zip containing the proto files

Author: vogti

.github/workflows/publish-protobuf-zip.yml

@@ -0,0 +1,32 @@
+name: Package and Publish Protobuf Files
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  package-protobuf:
+    name: Create and Upload Protobuf ZIP to GitHub Release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      actions: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install zip utility
+        run: sudo apt-get install zip
+
+      - name: Package Protobuf Files
+        run: |
+          zip -r protobuf-files-${{ github.event.release.tag_name }}.zip ./org/polypheny/prism
+
+      - name: Upload ZIP to GitHub Release
+        uses: actions/upload-release-asset@v2
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: ./protobuf-files-${{ github.event.release.tag_name }}.zip
+          asset_name: protobuf-files-${{ github.event.release.tag_name }}.zip
+          asset_content_type: application/zip