loongson/pypi: links for bgp-visualize

loongson/mirror bgp_visualize-0.3.1.tar.gz
loongson/mirror bgp_visualize-0.2.3.zip
loongson/mirror bgp_visualize-0.2.2.zip
loongson/mirror bgp_visualize-0.2.1.zip
loongson/mirror bgp_visualize-0.2.zip
loongson/mirror bgp_visualize-0.1.zip