added Release workflow

.github/workflows/release.yml

@@ -0,0 +1,32 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  upload:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Java JDK 8
+        uses: actions/[email protected]
+        with:
+          java-version: 8
+      - name: Gradle Build
+        run: gradle build
+      - name: Get upload url
+        id: release-id
+        run: |
+          RELEASE_ID=$(jq --raw-output '.release.id' $GITHUB_EVENT_PATH)
+          echo "::set-output name=upload_url::https://uploads.github.com/repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}/assets{?name,label}"
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.release-id.outputs.upload_url }}
+          asset_path: build/distributions/open-cue-cli.zip
+          asset_name: open-cue-cli.zip
+          asset_content_type: application/zip