loongson/mirror: links for rbi-tree

loongson/mirror rbi_tree-0.2.tar.gz
loongson/mirror rbi_tree-0.1.5.dev1.tar.gz
loongson/mirror rbi_tree-0.1.4.tar.gz
loongson/mirror rbi_tree-0.1.4.dev1.tar.gz
loongson/mirror rbi_tree-0.1.3.2.tar.gz
loongson/mirror rbi_tree-0.1.3.2.dev1.tar.gz
loongson/mirror rbi_tree-0.1.3.1.tar.gz
loongson/mirror rbi_tree-0.1.3.tar.gz
loongson/mirror rbi_tree-0.1.2.tar.gz
loongson/mirror rbi_tree-0.1.1.tar.gz