loongson/pypi: links for bsgen

loongson/mirror bsgen-0.2.2.tar.gz
loongson/mirror bsgen-0.2.2-py3-none-any.whl
loongson/mirror bsgen-0.2.0-py3-none-any.whl
loongson/mirror bsgen-0.1.0.tar.gz
loongson/mirror bsgen-0.1.0-py3.7.egg
loongson/mirror bsgen-0.1.0-py3-none-any.whl