loongson/pypi: links for benjiamin

loongson/mirror benjiamin-8.0.0.tar.gz
loongson/mirror benjiamin-7.0.0.tar.gz
loongson/mirror benjiamin-6.0.0.tar.gz
loongson/mirror benjiamin-5.0.0.tar.gz
loongson/mirror benjiamin-4.0.0.tar.gz
loongson/mirror benjiamin-3.0.0.tar.gz
loongson/mirror benjiamin-2.0.0.tar.gz
loongson/mirror benjiamin-1.0.0.tar.gz