loongson/pypi: links for ipf-netcfgbu

loongson/mirror ipf_netcfgbu-1.0.0.tar.gz
loongson/mirror ipf_netcfgbu-1.0.0-py3-none-any.whl
loongson/mirror ipf-netcfgbu-0.3.1.tar.gz
loongson/mirror ipf_netcfgbu-0.3.1-py3-none-any.whl