loongson/pypi: links for gh2

loongson/mirror gh2-2.0.0a1.tar.gz
loongson/mirror gh2-2.0.0a1-py3-none-any.whl
loongson/mirror gh2-0.0.1a1.tar.gz
loongson/mirror gh2-0.0.1a1-py3-none-any.whl