loongson/pypi: links for cain

loongson/mirror cain-1.1.1.tar.gz
loongson/mirror cain-1.1.1-py3-none-any.whl
loongson/mirror cain-1.1.tar.gz
loongson/mirror cain-1.1-py3-none-any.whl
loongson/mirror cain-1.0.tar.gz
loongson/mirror cain-1.0-py3-none-any.whl
loongson/mirror cain-0.3.2.tar.gz
loongson/mirror cain-0.3.1.tar.gz
loongson/mirror cain-0.2.2.tar.gz
loongson/mirror cain-0.2.tar.gz
loongson/mirror cain-0.1.tar.gz