add GitHub action to validate... GitHub Actions

.github/workflows/check-github-actions.yml

@@ -0,0 +1,25 @@
+---
+name: GitHub Actions Validation
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - '.github/workflows/**.yml'
+      - '.github/workflows/**.yaml'
+
+jobs:
+  github-actions-check:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout this repository
+        uses: actions/checkout@v3
+
+      - name: Download actionlint
+        id: get_actionlint
+        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+        shell: bash
+
+      - name: Check Workflow files
+        run: ${{ steps.get_actionlint.outputs.executable }} -color -shellcheck=
+        shell: bash