add helm release wf (#39)

.github/workflows/release_charts.yaml

@@ -0,0 +1,32 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    permissions:
+      contents: write # to push chart release and create a release (helm/chart-releaser-action)
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0      
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"  
+      - name: Set up Helm
+        uses: azure/setup-helm@v3.5
+        with:
+          version: v3.9.2
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.5.0
+        env:
+          CR_TOKEN: "${{ secrets.HELM_RELEASE_TOKEN }}"