Adding the Github Actions release workflow

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+    - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Release a version of the UI bundle
+
+jobs:
+  build:
+    name: Upload Release Asset
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Setup NodeJS
+        uses: actions/[email protected]
+        with:
+          node-version: '10.x'
+      - name: Install dependencies
+        run: npm install
+      - name: Build the UI bundle
+        run: npm run dev
+      - name: Create a release
+        id: create_release
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: true
+      - name: Upload the UI bundle ZIP file
+        id: upload-release-asset 
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+          asset_path: ./build/bundle.zip
+          asset_name: bundle.zip
+          asset_content_type: application/zip