loongson/pypi: links for protected-classification

loongson/mirror protected-classification-0.1.5.tar.gz
loongson/mirror protected-classification-0.1.4.tar.gz
loongson/mirror protected-classification-0.1.3.tar.gz
loongson/mirror protected-classification-0.1.2.tar.gz
loongson/mirror protected-classification-0.1.1.tar.gz
loongson/mirror protected-classification-0.1.0.tar.gz