loongson/mirror: links for choose-next

loongson/mirror choose-next-3.0.0.tar.gz
loongson/mirror choose_next-3.0.0-py3-none-any.whl
loongson/mirror choose_next-2.0.1-py2.py3-none-any.whl
loongson/mirror choose_next-2.0.0-py2.py3-none-any.whl