loongson/pypi: links for filecaching

loongson/mirror filecaching-0.0.4.tar.gz
loongson/mirror filecaching-0.0.4-py3-none-any.whl
loongson/mirror filecaching-0.0.3.tar.gz
loongson/mirror filecaching-0.0.2.tar.gz
loongson/mirror filecaching-0.0.1.tar.gz