helm chart to github pages

adds a workflow to release new versions as helm chart in gh-pages
which can be more easily deployed without using chart from git repo.

addresses #19

Author: robertlestak

.github/workflows/release-helm.yml

@@ -0,0 +1,33 @@
+name: Release Helm Chart
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+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: Install Helm
+        uses: azure/setup-helm@v4
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.6.0
+        with:
+          charts_dir: deploy
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

README.md

@@ -502,7 +502,24 @@ spec:
 
 ## Deployment
 
-Deploy the operator:
+### Using Helm Repository (Recommended)
+
+Add the Helm repository:
+
+```bash
+helm repo add cert-manager-sync https://robertlestak.github.io/cert-manager-sync
+helm repo update
+```
+
+Install the operator:
+
+```bash
+helm install cert-manager-sync cert-manager-sync/cert-manager-sync -n cert-manager --create-namespace
+```
+
+### Using Local Chart
+
+Deploy the operator from source:
 
 ```bash
 helm upgrade --install -n cert-manager cert-manager-sync ./deploy/cert-manager-sync