root/pypi: links for doudian

root/pypi doudian-0.6.tar.gz
root/pypi doudian-0.6-py3-none-any.whl
root/pypi doudian-0.5.tar.gz
root/pypi doudian-0.4.tar.gz
root/pypi doudian-0.3.tar.gz
root/pypi doudian-0.2.tar.gz
root/pypi doudian-0.1.tar.gz