feat(website): Build website and publish only whe tagged

Signed-off-by: Helio Chissini de Castro <[email protected]>

.github/workflows/build_and_publish.yml

@@ -1,12 +1,15 @@
 name: Build and Archive
 on:
   push:
+    tags: v*
+  pull_request:
     branches:
       - main
   workflow_dispatch:
 
 jobs:
-  build-archive:
+  build_website:
+    name: Build Main Website Documentation
     runs-on: ubuntu-latest
     env:
       PROJECT_NAME: sw360
@@ -47,8 +50,38 @@ jobs:
           mkdir -p themes/docsy
           hugo --minify -b 'https://www.eclipse.org/sw360/'
 
+  archive_publish:
+    name: Archive and Published Tagged Build
+    runs-on: ubuntu-latest
+    needs: [build_website]
+    steps:
       - name: Archive
         uses: actions/upload-artifact@v2
         with:
           name: website
           path: ./public
+        if: startsWith(github.ref, 'refs/tags/')
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+        if: startsWith(github.ref, 'refs/tags/')
+
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./public
+          asset_name: website.zip
+          asset_content_type: application/zip
+        if: startsWith(github.ref, 'refs/tags/')