loongson/mirror: links for erpn

loongson/mirror erpn-1.0-py3-none-any.whl
loongson/mirror erpn-0.3-py3-none-any.whl
loongson/mirror erpn-0.2-py3-none-any.whl
loongson/mirror erpn-0.1-py3-none-any.whl