root/pypi: links for jupyterhub-announcement

root/pypi jupyterhub_announcement-0.9.2.tar.gz
root/pypi jupyterhub_announcement-0.9.2-py3-none-any.whl
root/pypi jupyterhub_announcement-0.9.2.dev0.tar.gz
root/pypi jupyterhub_announcement-0.9.2.dev0-py3-none-any.whl
root/pypi jupyterhub_announcement-0.9.1-py3-none-any.whl
root/pypi jupyterhub-announcement-0.9.0.tar.gz
root/pypi jupyterhub_announcement-0.8.0-py3-none-any.whl