loongson/pypi: links for litalib

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