loongson/pypi: links for beansoup

loongson/mirror beansoup-1.0a6.tar.gz
loongson/mirror beansoup-1.0a6-py3-none-any.whl
loongson/mirror beansoup-1.0a5.tar.gz
loongson/mirror beansoup-1.0a5-py3-none-any.whl
loongson/mirror beansoup-1.0a4.tar.gz