loongson/mirror: links for pvmail

loongson/mirror pvmail-4.0.0.tar.gz
loongson/mirror PvMail-4.0.0-py3-none-any.whl
loongson/mirror pvmail-4.0.0rc2.tar.gz
loongson/mirror PvMail-4.0.0rc2-py3-none-any.whl
loongson/mirror pvmail-4.0.0rc1.tar.gz
loongson/mirror PvMail-4.0.0rc1-py3-none-any.whl
loongson/mirror PvMail-3.2.8.zip
loongson/mirror PvMail-3.2.8-py2.py3-none-any.whl
loongson/mirror PvMail-3.2.6.tar.gz
loongson/mirror PvMail-3.2.5.zip
loongson/mirror PvMail-3.2.4.zip
loongson/mirror PvMail-3.2.3.zip
loongson/mirror PvMail-3.2.2.zip
loongson/mirror PvMail-3.2.1.zip
loongson/mirror PvMail-3.2.0.zip
loongson/mirror PvMail-3.1.0.zip
loongson/mirror PvMail-3.0.3.tar.gz