add chart github-actions

Signed-off-by: Christian Kotzbauer <christian.kotzbauer@gmail.com>

.github/ct.yaml

@@ -0,0 +1,6 @@
+# See https://github.com/helm/chart-testing#configuration
+remote: origin
+chart-dirs:
+  - charts
+chart-repos: []
+helm-extra-args: --timeout 600s

.github/workflows/chart-lint.yml

@@ -0,0 +1,32 @@
+name: lint-chart
+
+on:
+  pull_request:
+    paths:
+      - "charts/**"
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: "0"
+
+      - name: Run chart-testing (lint)
+        id: lint
+        uses: helm/chart-testing-action@v1.0.0-rc.2
+        with:
+          command: lint
+          config: .github/ct.yaml
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.0.0-rc.1
+        if: steps.lint.outputs.changed == 'true'
+
+      - name: Run chart-testing (install)
+        uses: helm/chart-testing-action@v1.0.0-rc.2
+        with:
+          command: install
+          config: .github/ct.yaml

.github/workflows/chart-release.yml

@@ -0,0 +1,16 @@
+name: release-chart
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Publish Helm chart
+        uses: stefanprodan/helm-gh-pages@master
+        with:
+          token: ${{ secrets.BOT_GITHUB_TOKEN }}
+          charts_dir: charts