img sphinx fix

.github/workflows/deploy_docs.yml

@@ -25,11 +25,14 @@ jobs:
         run: |
           python -m pip install sphinx sphinx_rtd_theme nbsphinx
           python -m pip install .
+          python -m pip install pyscf
 
       - name: Run build command
         run: |
           sphinx-apidoc -o ./docs/source ./tangelo
           sphinx-build -M html ./docs/source ./docs/build -E
+          cp /docs/source/_static/img/quantum_workflow.png ./docs/build/html
+          cp /docs/source/_static/img/tangelo_logo_gradient.png ./docs/build/html
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4