root/pypi: links for cvtk

root/pypi cvtk-0.2.15.tar.gz
root/pypi cvtk-0.2.15-py3-none-any.whl
root/pypi cvtk-0.2.14.tar.gz
root/pypi cvtk-0.2.14-py3-none-any.whl
root/pypi cvtk-0.2.13.tar.gz
root/pypi cvtk-0.2.13-py3-none-any.whl
root/pypi cvtk-0.2.10.tar.gz
root/pypi cvtk-0.2.10-py3-none-any.whl