loongson/pypi: links for extprot

loongson/mirror extprot-0.2.4.tar.gz
loongson/mirror extprot-0.2.3.tar.gz
loongson/mirror extprot-0.2.2.tar.gz
loongson/mirror extprot-0.2.1.tar.gz
loongson/mirror extprot-0.2.0.tar.gz
loongson/mirror extprot-0.1.1.tar.gz
loongson/mirror extprot-0.1.0.tar.gz