Modified workflow, so that files are published in folder named after …

…source branch

.github/workflows/deploy.yml

@@ -28,9 +28,11 @@ jobs:
     - name: Build documentation
       run: |
         sphinx-build -M html docs/source docs/_build -E
+        mkdir -p dist/${GITHUB_REF#refs/heads/}/
 
     - name: Deploy to GitHub Pages
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: docs/_build/html
+        publish_dir: ./dist
+        keep_files: True