loongson/pypi: links for broth

loongson/mirror broth-0.8.tar.gz
loongson/mirror broth-0.7.tar.gz
loongson/mirror broth-0.6.tar.gz
loongson/mirror broth-0.5.tar.gz
loongson/mirror broth-0.4.tar.gz
loongson/mirror broth-0.3.tar.gz