loongson/pypi: links for barvocuc

loongson/mirror barvocuc-2.0.tar.gz
loongson/mirror barvocuc-2.0-py3-none-any.whl
loongson/mirror barvocuc-2.0b2.tar.gz
loongson/mirror barvocuc-2.0b2-py3-none-any.whl