loongson/pypi: links for referral-candy

loongson/mirror referral_candy-0.3.0.tar.gz
loongson/mirror referral_candy-0.3.0-py3-none-any.whl
loongson/mirror referral_candy-0.2.0.tar.gz
loongson/mirror referral_candy-0.1.0.tar.gz