Build on GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+name: Build and publish documentation
+on: push
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install pipx
+        run: sudo apt-get install -y pipx
+      - name: Install hatch
+        run: pipx install hatch==1.9.4
+      - uses: actions/checkout@v3
+      - name: Build documentation
+        run: hatch run dev:build
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: build/html
+  deploy: # https://github.com/actions/deploy-pages
+    needs: build
+    if: github.ref == format('refs/heads/{0}', 'github-deploy') #github.event.repository.default_branch)
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4