loongson/pypi: links for fast3tree

loongson/mirror fast3tree-0.4.2.tar.gz
loongson/mirror fast3tree-0.4.1.tar.gz
loongson/mirror fast3tree-0.4.0.tar.gz
loongson/mirror fast3tree-0.3.1.tar.gz
loongson/mirror fast3tree-0.3.0.tar.gz
loongson/mirror fast3tree-0.2.0.tar.gz