add .github to workflows

.github/workflows/sphinx-docs.yml

@@ -0,0 +1,38 @@
+name: Build and Deploy Sphinx Docs for ALF
+
+on:
+  push:
+    branches:
+      - docs  # TODO: Should be changed to main when ALF finalized
+  pull_request:
+    branches:
+      - docs # TODO: Should be changed to main when ALF finalized
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install sphinx sphinx_rtd_theme
+
+      - name: Build Docs
+        run: |
+          sphinx-build -b html docs docs/_build/html
+
+      - name: Deploy to GitHub Pages
+        if: github.ref == 'refs/heads/main'  # Only deploy on main branch
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs/_build/html