loongson/pypi: links for bootstrapping

loongson/mirror bootstrapping-0.1.2.tar.gz
loongson/mirror bootstrapping-0.1.2-py2.py3-none-any.whl
loongson/mirror bootstrapping-0.1.1.tar.gz
loongson/mirror bootstrapping-0.1.1-py2.py3-none-any.whl