loongson/pypi: links for camel-snake-pep8

loongson/mirror camel-snake-pep8-0.2.3.tar.gz
loongson/mirror camel-snake-pep8-0.2.2.tar.gz
loongson/mirror camel-snake-pep8-0.2.1.tar.gz
loongson/mirror camel-snake-pep8-0.2.0.tar.gz