feat(helm): add github action for chart test and release (#250)

Signed-off-by: shubham <shubham.bajpai@mayadata.io>

.github/workflows/release-charts.yml

@@ -0,0 +1,34 @@
+name: Release Charts
+
+on:
+  push:
+    paths:
+      - 'deploy/helm/**'
+    branches:
+      - master
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        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: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.4.0
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.1.0
+        env:
+          CR_TOKEN: "${{ secrets.CR_TOKEN }}"
+        with:
+          charts_dir: deploy/helm