root/pypi: links for ud-yggdrasil

root/pypi ud-yggdrasil-2.0.0.tar.gz
root/pypi ud_yggdrasil-2.0.0-py3-none-any.whl
root/pypi ud-yggdrasil-2.0.0a8.tar.gz
root/pypi ud_yggdrasil-2.0.0a8-py3-none-any.whl