loongson/pypi: links for fedlearner

loongson/mirror fedlearner-1.5.dev20210512-py3-none-any.whl
loongson/mirror fedlearner-1.5.dev20210430-py3-none-any.whl
loongson/mirror fedlearner-1.5.0.dev20210429.tar.gz
loongson/mirror fedlearner-1.5.0.dev20210429-py3-none-any.whl
loongson/mirror fedlearner-1.5.dev20210429-py3-none-any.whl