add jekyll site workflow

.github/workflows/jekyll.yml

@@ -0,0 +1,71 @@
+name: Jekyll site CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.inputs.branch }}
+
+      - name: Setup Ruby
+        uses: ruby/[email protected]
+        with:
+          ruby-version: '3.1'
+          bundler-cache: true
+          cache-version: 0
+
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v2
+
+      - name: Install dependencies
+        run: |
+          bundle install
+
+      - name: Build with Jekyll
+        # Outputs to the './_site' directory by default
+        run: |
+          bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
+        env:
+          PAGES_REPO_NWO: ${{ github.repository }}
+          JEKYLL_ENV: production
+          JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          JEKYLL_BUILD_BRANCH: ${{ github.ref_name }}
+          JEKYLL_BASE_PATH: ${{ steps.pages.outputs.base_path }}
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+
+    if: |
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'push' && github.event.repository.default_branch == github.ref_name)
+    concurrency:
+      group: "pages"
+      cancel-in-progress: true
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1