loongson/mirror: links for flake8-cls-attr-order

loongson/mirror flake8_cls_attr_order-0.3.0-py3-none-any.whl
loongson/mirror flake8_cls_attr_order-0.2.0-py3-none-any.whl
loongson/mirror flake8_cls_attr_order-0.1.0-py3-none-any.whl