loongson/pypi: links for sp-graph-layout

loongson/mirror sp_graph_layout-1.4.0.tar.gz
loongson/mirror sp_graph_layout-1.3.0.tar.gz
loongson/mirror sp_graph_layout-1.2.0.tar.gz
loongson/mirror sp_graph_layout-1.1.0.tar.gz
loongson/mirror sp_graph_layout-1.0.2.tar.gz
loongson/mirror sp_graph_layout-1.0.0.tar.gz
loongson/mirror sp_graph_layout-0.0.1.tar.gz