loongson/pypi: links for postcache

loongson/mirror postcache-0.2.0.tar.gz
loongson/mirror postcache-0.1.3.tar.gz
loongson/mirror postcache-0.1.2.tar.gz
loongson/mirror postcache-0.1.1.tar.gz
loongson/mirror postcache-0.1.0.tar.gz
loongson/mirror postcache-0.1.0-py2-none-any.whl