loongson/pypi: links for mp-email

loongson/mirror mp_email-0.0.4.tar.gz
loongson/mirror mp_email-0.0.4-py3-none-any.whl
loongson/mirror mp-email-0.0.3.tar.gz
loongson/mirror mp-email-0.0.2.tar.gz
loongson/mirror mp-email-0.0.1.tar.gz