loongson/mirror: links for pkcegen

loongson/mirror pkcegen-1.0.1.tar.gz
loongson/mirror pkcegen-1.0.1-py3-none-any.whl
loongson/mirror pkcegen-1.0.0.tar.gz
loongson/mirror pkcegen-1.0.0-py3-none-any.whl