root/pypi: links for challenge-toolkit

root/pypi challenge_toolkit-2.0.0.tar.gz
root/pypi challenge_toolkit-2.0.0-py3-none-any.whl
root/pypi challenge_toolkit-2.0.0rc1.tar.gz
root/pypi challenge_toolkit-2.0.0rc1-py3-none-any.whl
root/pypi challenge_toolkit-1.2.0rc3.tar.gz
root/pypi challenge_toolkit-1.2.0rc3-py3-none-any.whl
root/pypi challenge_toolkit-1.2.0rc2.tar.gz
root/pypi challenge_toolkit-1.2.0rc2-py3-none-any.whl