Add workflow step for checking chart readme changed

.github/workflows/chart-lint-test.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Add bitnami repo
         run: |
-          helm repo add bitnami https://charts.bitnami.com/bitnami 
+          helm repo add bitnami https://charts.bitnami.com/bitnami
           helm repo update
 
       - name: Update Helm dependencies
@@ -63,6 +63,26 @@ jobs:
       - name: Run linting
         run: ct lint --config charts/chart-testing-config.yaml --charts ./charts/managed-identity-wallet
 
+  verify-helm-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: addnab/docker-run-action@v3
+        with:
+          image: jnorwood/helm-docs:v1.10.0
+          options: -v ${{ github.workspace }}/charts:/helm-docs
+          run: helm-docs
+
+      - run: |
+          if $(git diff --quiet --exit-code); then
+            echo "Helm chart docs up to date"
+          else
+            echo "Helm chart docs not up to date:"
+            git diff
+            exit 1
+          fi
+
   chart-test:
     runs-on: ubuntu-latest
     steps:
@@ -86,7 +106,7 @@ jobs:
 
       - name: Add bitnami repo
         run: |
-          helm repo add bitnami https://charts.bitnami.com/bitnami 
+          helm repo add bitnami https://charts.bitnami.com/bitnami
           helm repo update
 
       - name: Update Helm dependencies