loongson/pypi: links for pybgh

loongson/mirror pybgh-0.1.4-py3-none-any.whl
loongson/mirror pybgh-0.1.3-py3-none-any.whl
loongson/mirror pybgh-0.1.2-py3-none-any.whl
loongson/mirror pybgh-0.1.1-py3-none-any.whl