Add a workflow to build and publish the documentation.

.github/workflows/documentation.yml

@@ -0,0 +1,61 @@
+name: Documentation
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: documentation
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build documentation
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Configure cache
+        uses: Swatinem/rust-cache@v2
+
+      - name: Setup pages
+        uses: actions/configure-pages@v4
+
+      - name: Build the documentation
+        run: |
+          cargo clean --doc
+          cargo doc --no-deps
+
+      - name: Add a redirect meta tag
+        run: echo '<meta http-equiv="refresh" content="0;url=aoc/index.html">' > target/doc/index.html
+
+      - name: Remove the lock file
+        run: rm target/doc/.lock
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: target/doc
+
+  deploy:
+    name: Deploy
+    environment:
+      name: Documentation
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4