loongson/mirror: links for rscmwgprfgen

loongson/mirror RsCmwGprfGen-4.0.140.tar.gz
loongson/mirror RsCmwGprfGen-4.0.140-py3-none-any.whl
loongson/mirror RsCmwGprfGen-3.7.50.53.tar.gz
loongson/mirror RsCmwGprfGen-3.7.50.53-py3-none-any.whl
loongson/mirror RsCmwGprfGen-3.7.50.51.tar.gz
loongson/mirror RsCmwGprfGen-3.7.50.51-py3-none-any.whl