Add GitHub Actions workflow for Jekyll build and deploy to GitHub Pages

Author: asteriosk

.github/workflows/deploy.yml

@@ -0,0 +1,44 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches: [master]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'
+          bundler-cache: true
+          working-directory: web
+
+      - uses: actions/configure-pages@v5
+
+      - name: Build Jekyll site
+        run: cd web && bundle exec jekyll build --trace
+        env:
+          JEKYLL_ENV: production
+
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: web/_site
+
+      - uses: actions/deploy-pages@v4
+        id: deployment