add git actions git pages

.github/workflows/docs.yaml

@@ -0,0 +1,40 @@
+name: Zmodn
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: write
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: actions/setup-python@v3
+      with:
+        python-version: '3.10'
+
+    - name: Install pandoc
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y pandoc
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+
+    - name: Sphinx build
+      run: |
+        sphinx-build docs _build
+
+    - name: Deploy to GitHub Pages
+      uses: peaceiris/actions-gh-pages@v3
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+      with:
+        publish_branch: gh-pages
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: _build/
+        force_orphan: true