loongson/pypi: links for unicards

loongson/mirror unicards-0.6.tar.gz
loongson/mirror unicards-0.5.tar.gz
loongson/mirror unicards-0.4.tar.gz
loongson/mirror unicards-0.3.tar.gz
loongson/mirror unicards-0.2.tar.gz
loongson/mirror unicards-0.1.tar.gz