root/pypi: links for chan127-demo

root/pypi chan127-demo-0.0.4.tar.gz
root/pypi chan127_demo-0.0.4-py3-none-any.whl
root/pypi chan127-demo-0.0.3.tar.gz
root/pypi chan127_demo-0.0.3-py3-none-any.whl
root/pypi chan127-demo-0.0.1.tar.gz