loongson/pypi: links for s3-sysbackup

loongson/mirror s3-sysbackup-0.2.0.tar.gz
loongson/mirror s3_sysbackup-0.2.0-py3-none-any.whl
loongson/mirror s3-sysbackup-0.1.0.tar.gz
loongson/mirror s3_sysbackup-0.1.0-py3-none-any.whl