add default workflow for github-pages-directory-listing

.github/workflows/index.yaml

@@ -0,0 +1,45 @@
+# https://github.com/jayanta525/github-pages-directory-listing
+
+name: index
+on: [push]
+
+jobs:
+  pages-directory-listing:
+    runs-on: ubuntu-latest
+    name: Run Actions Template
+    steps:
+      # To use this repository's private action,
+      # you must check out the repository
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          ref: dummy-data
+
+      - name: Generate Directory Listings
+        uses: jayanta525/github-pages-directory-listing@main
+        with:
+          FOLDER: data
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          # Upload generator folder
+          path: 'data'
+
+  deploy:
+    needs: pages-directory-listing
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1