root/pypi: links for refua-notebook

root/pypi refua_notebook-0.6.0.tar.gz
root/pypi refua_notebook-0.6.0-py3-none-any.whl
root/pypi refua_notebook-0.5.0.tar.gz
root/pypi refua_notebook-0.5.0-py3-none-any.whl