root/pypi: links for contour3d

root/pypi contour3d-0.1.2.tar.gz
root/pypi contour3d-0.1.2-py2.py3-none-any.whl
root/pypi contour3d-0.1.tar.gz
root/pypi contour3d-0.1-py2.py3-none-any.whl