Add Helm chart publishing via chart-releaser.

Publish kloud-csi to GitHub Pages and GitHub Releases when Chart.yaml version changes on main.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/release-chart.yaml

@@ -0,0 +1,35 @@
+name: Release Chart
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - charts/**
+      - .cr.yaml
+      - .github/workflows/release-chart.yaml
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        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: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.7.0
+        with:
+          charts_dir: charts
+          config: .cr.yaml
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"