root/pypi: links for mailgun

root/pypi mailgun-1.0.0.tar.gz
root/pypi mailgun-1.0.0-py3-none-any.whl
root/pypi mailgun-1.0.0rc2.tar.gz
root/pypi mailgun-1.0.0rc2-py3-none-any.whl
root/pypi mailgun-0.1.1.tar.gz
root/pypi mailgun-0.1.tar.gz