loongson/pypi: links for bufferkdtree

loongson/mirror bufferkdtree-1.3.tar.gz
loongson/mirror bufferkdtree-1.2.tar.gz
loongson/mirror bufferkdtree-1.1.1.tar.gz
loongson/mirror bufferkdtree-1.1.tar.gz
loongson/mirror bufferkdtree-1.0.2.tar.gz
loongson/mirror bufferkdtree-1.0.1.tar.gz