chore: Implement feedback.

.github/workflows/documentation.yml

@@ -0,0 +1,45 @@
+name: Documentation
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  docs:
+    name: All crates
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' || !github.event.pull_request.draft
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          override: true
+
+      - name: Load cache
+        uses: Swatinem/rust-cache@v1
+
+      # Keep in sync with xtask docs
+      - name: Build documentation
+        uses: actions-rs/cargo@v1
+        env:
+          # Work around https://github.com/rust-lang/cargo/issues/10744
+          CARGO_TARGET_APPLIES_TO_HOST: "true"
+          RUSTDOCFLAGS: "--enable-index-page -Zunstable-options --cfg docsrs -Dwarnings"
+        with:
+          command: doc
+          args: --no-deps --workspace --features docsrs
+
+      - name: Deploy documentation
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./target/doc/
+          force_orphan: true