loongson/mirror: links for modeling-stage

loongson/mirror modeling_stage-1.7.0.tar.gz
loongson/mirror modeling_stage-1.7.0-py3-none-any.whl
loongson/mirror modeling_stage-1.6.0.tar.gz
loongson/mirror modeling_stage-1.6.0-py3-none-any.whl