loongson/mirror: links for redis-s3-backup

loongson/mirror redis_s3_backup-0.5.tar.gz
loongson/mirror redis_s3_backup-0.4.tar.gz
loongson/mirror redis_s3_backup-0.3.tar.gz
loongson/mirror redis_s3_backup-0.2.tar.gz
loongson/mirror redis_s3_backup-0.1.tar.gz