loongson/pypi: links for plut

loongson/mirror plut-0.5.3.tar.gz
loongson/mirror plut-0.5.2.tar.gz
loongson/mirror plut-0.5.1.tar.gz
loongson/mirror plut-0.5.tar.gz
loongson/mirror plut-0.4.tar.gz
loongson/mirror plut-0.3.tar.gz
loongson/mirror plut-0.1.tar.gz