loongson/pypi: links for drsync

loongson/mirror drsync-2.0.3.tar.gz
loongson/mirror drsync-2.0.2.tar.gz
loongson/mirror drsync-2.0.1.tar.gz
loongson/mirror drsync-1.0.1.tar.gz
loongson/mirror drsync-1.0.0.tar.gz