root/pypi: links for gmix2

root/pypi gmix2-0.3.0.tar.gz
root/pypi gmix2-0.1.9.tar.gz
root/pypi gmix2-0.1.7.tar.gz
root/pypi gmix2-0.1.6.tar.gz
root/pypi gmix2-0.1.5.tar.gz