loongson/pypi: links for halfspace-optimizer

loongson/mirror halfspace-optimizer-0.1.0.tar.gz
loongson/mirror halfspace_optimizer-0.1.0-py3-none-any.whl
loongson/mirror halfspace-optimizer-0.0.3.tar.gz
loongson/mirror halfspace_optimizer-0.0.3-py3-none-any.whl