loongson/pypi: links for converttentotwenty

loongson/mirror converttentotwenty-3.1.1.tar.gz
loongson/mirror converttentotwenty-3.0.1.tar.gz
loongson/mirror Converttentotwenty-2.0.1.tar.gz
loongson/mirror Converttentotwenty-2.0.0.tar.gz
loongson/mirror converttentotwenty-0.1.tar.gz