loongson/mirror: links for claasp

loongson/mirror claasp-3.0.0.tar.gz
loongson/mirror claasp-3.0.0-py3-none-any.whl
loongson/mirror claasp-2.6.0.tar.gz
loongson/mirror claasp-2.6.0-py3-none-any.whl