feat: add workflow to publish helm chart to gh pages

.github/workflows/chart_release.yaml

@@ -0,0 +1,34 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - helm-charts/**
+
+jobs:
+  chart_release:
+    name: Release Charts
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # chart releaser will not work without this param
+      - name: Configure Git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.7.0
+        with:
+          skip_existing: true
+          mark_as_latest: false
+          packages_with_index: true
+          charts_dir: helm-charts
+          pages_branch: gh-pages
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

helm-charts/pdfding/README.md

@@ -19,7 +19,7 @@ To install Helm, see [Helm Installation guide](https://helm.sh/docs/intro/instal
 To add the PdfDing helm repository, run command:
 
 ```bash
-helm repo add pdfding https://mrmn2.github.io/PdfDing/
+helm repo add pdfding https://charts.pdfding.com
 ```
 
 To install the PdfDing helm chart with a release name `my-release` in `ns` namespace, run command: