added Sphinx workflows

.github/workflows/sphinx.yml

@@ -21,6 +21,21 @@ jobs:
         with:
           python-version: '3.11'  
 
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          wget https://github.com/jgm/pandoc/releases/download/3.3/pandoc-3.3-1-amd64.deb
+          sudo dpkg -i pandoc-3.3-1-amd64.deb
+
+          cd $GITHUB_WORKSPACE/docs
+          python -m pip install -r requirements.txt
+          pip install hdxrate
+
+      - name: Build Sphinx Docs
+        run: |
+          cd docs
+          TZ=UTC make html
+
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}