Update lint_and_test_charts.yml

.github/workflows/lint_and_test_charts.yml

@@ -28,6 +28,33 @@ jobs:
         with:
           python-version: 3.7
 
+      - name: Install Helm Docs
+        uses: action-stars/install-tool-from-github-release@9019d0a3125e2f45a48858afb632e6dbef663d79 # v0.2.2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          owner: norwoodj
+          repository: helm-docs
+          arch_amd64: x86_64
+          os_linux: Linux
+          check_command: helm-docs --version
+          version: latest
+
+      - name: Run Helm Docs check XXXXXXX
+        run: |
+          #!/usr/bin/env bash
+          set -euo pipefail
+
+          for charts in `find . -name 'Chart.yaml' -type f | xargs -I{} dirname {}`; do
+            printf "\n\n##### CHECKING $charts #####\n";
+          done
+
+          helm-docs
+          if [[ -n "$(git status --porcelain --untracked-files=no)" ]]
+          then
+            echo "Documentation not up to date. Please run helm-docs and commit changes!" >&2
+            exit 1
+          fi
+
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.2.1