loongson/pypi: links for skdata

loongson/mirror skdata-0.0.4.tar.gz
loongson/mirror skdata-0.0.3.tar.gz
loongson/mirror skdata-0.0.2.tar.gz
loongson/mirror skdata-0.0.1.tar.gz
loongson/mirror skdata-0.0.1b.tar.gz