Doc generation github action

Author: MichaelGoodale

.github/workflows/CI.yml

@@ -19,6 +19,28 @@ permissions:
   contents: read
 
 jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - uses: PyO3/maturin-action@v1
+        with:
+          command: develop
+      - name: Install dependencies
+        run: |
+          pip install sphinx sphinx_rtd_theme
+      - name: Sphinx build
+        run: |
+          sphinx-build docs/source _build
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: _build/
+
   linux:
     runs-on: ${{ matrix.platform.runner }}
     strategy: