loongson/pypi: links for bertvector

loongson/mirror BERTVector-0.3.7.tar.gz
loongson/mirror BERTVector-0.3.7-py3-none-any.whl
loongson/mirror BERTVector-0.3.6.tar.gz
loongson/mirror BERTVector-0.3.6-py3-none-any.whl