Add Sphinx docs GitHub Pages workflow

Author: abhinavj98

.github/workflows/docs.yml

@@ -0,0 +1,37 @@
+name: Build and Deploy Sphinx docs
+
+on:
+  push:
+    branches: [ main ]   # or your default branch
+  workflow_dispatch:
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install sphinx
+          # add any extensions you use, e.g.:
+          # pip install myst-parser sphinx_rtd_theme
+
+      - name: Build docs
+        working-directory: ./docs
+        run: |
+          sphinx-build -b html source _build/html
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/_build/html