loongson/mirror: links for tgback-x

loongson/mirror tgback_x-1.1.tar.gz
loongson/mirror tgback_x-1.1-py3-none-any.whl
loongson/mirror tgback_x-1.0.tar.gz
loongson/mirror tgback_x-1.0-py3-none-any.whl