Add workflow for building and deploying on GitHub Pages

.github/workflows/build-and-deploy.yml

@@ -0,0 +1,30 @@
+name: Build Jekyll site
+on:
+ push:
+   branches: ["main"]
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      - name: Build
+        uses: actions/jekyll-build-pages@v1
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}