081926 Add PR previews to website

.github/workflows/preview.yml

@@ -0,0 +1,41 @@
+name: Deploy PR Preview
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, closed]
+
+concurrency: preview-${{ github.ref }}
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      # Set up Ruby and cache gems for faster builds
+      - name: Set up Ruby
+        if: github.event.action != 'closed'
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2' # Match your local Ruby version
+          bundler-cache: true
+
+      # Compile Jekyll with a custom baseurl pointing to the preview folder
+      - name: Build Jekyll Site
+        if: github.event.action != 'closed'
+        run: |
+          bundle install
+          bundle exec jekyll build --baseurl "/${{ github.event.repository.name }}/pr-preview/pr-${{ github.event.number }}"
+
+      # Deploy the compiled static folder to GitHub Pages
+      - name: Deploy PR Preview to GitHub Pages
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: ./_site        # Default output folder for Jekyll
+          preview-branch: gh-pages    # The branch your live GitHub Pages site serves from
+          umbrella-dir: pr-preview    # Parent folder for previews on the gh-pages branch
+          action: auto