Add release workflow

.github/workflows/release.yaml

@@ -0,0 +1,41 @@
+name: Release
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+jobs:
+  build:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v1
+      - name: Create Helm chart
+        run: |
+          tar cvzf helm-chart.tgz helm 
+      - name: Create Release
+        id: create-release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          body: |
+            AWS EFS CSI Driver
+
+            ## CHANGELOG
+            See [CHANGELOG](https://github.com/kubernetes-sigs/aws-efs-csi-driver/blob/master/CHANGELOG-0.x.md) for full list of changes
+          draft: false
+          prerelease: false
+      - 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: ./helm-chart.tgz
+          asset_name: helm-chart.tgz
+          asset_content_type: application/gzip