root/pypi: links for subconvert

root/pypi subconvert-3.0.0.tar.gz
root/pypi subconvert-3.0.0-py3-none-any.whl
root/pypi subconvert-3.0.0a4.tar.gz
root/pypi subconvert-3.0.0a4-py3-none-any.whl
root/pypi subconvert-3.0.0a1.tar.gz
root/pypi subconvert-3.0.0a1-py3-none-any.whl