Add GitHub Actions workflow for Jekyll site deployment

Author: mmaiers-nmdp

.github/workflows/pages.yaml

@@ -0,0 +1,50 @@
+name: Build and deploy Jekyll site to Pages
+
+on:
+  push:
+    branches: [ main ]   # or your default branch
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'        # or any supported version
+          bundler-cache: true
+      - name: Install dependencies
+        run: |
+          bundle install
+      - name: Build with Jekyll
+        uses: actions/jekyll-build-pages@v1
+        with:
+          source: .
+          destination: ./_site
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./_site
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    permissions:
+      pages: write
+      id-token: write
+    steps:
+      - id: deployment
+        uses: actions/deploy-pages@v4