loongson/pypi: links for letsencrypt-s3front

loongson/mirror letsencrypt-s3front-0.1.3.tar.gz
loongson/mirror letsencrypt-s3front-0.1.2.tar.gz
loongson/mirror letsencrypt-s3front-0.1.1.tar.gz
loongson/mirror letsencrypt-s3front-0.1.0.tar.gz