root/pypi: links for spectre-cnv

root/pypi spectre_cnv-0.2.1.tar.gz
root/pypi spectre_cnv-0.2.1-py3-none-any.whl
root/pypi spectre-cnv-0.2.0.tar.gz
root/pypi spectre_cnv-0.2.0-py3-none-any.whl