loongson/pypi: links for lotus-regression

loongson/mirror lotus_regression-0.8.3.tar.gz
loongson/mirror LOTUS_regression-0.8.3-py3-none-any.whl
loongson/mirror LOTUS_regression-0.8.2-py2.py3-none-any.whl
loongson/mirror LOTUS_regression-0.8.1-py2.py3-none-any.whl