root/pypi: links for scine-chemoton

root/pypi scine_chemoton-4.0.0.tar.gz
root/pypi scine_chemoton-3.1.0.tar.gz
root/pypi scine_chemoton-3.0.0.tar.gz
root/pypi scine_chemoton-2.2.0.tar.gz
root/pypi scine_chemoton-2.1.0.tar.gz
root/pypi scine_chemoton-2.0.0.tar.gz