riego/dev: links for jupyterlab-diff

root/pypi jupyterlab_diff-0.6.1.tar.gz
root/pypi jupyterlab_diff-0.6.1-py3-none-any.whl
root/pypi jupyterlab_diff-0.6.0.tar.gz
root/pypi jupyterlab_diff-0.6.0-py3-none-any.whl