loongson/pypi: links for helli2

loongson/mirror helli2-0.1.5.tar.gz
loongson/mirror helli2-0.1.4.tar.gz
loongson/mirror helli2-0.1.3.tar.gz
loongson/mirror helli2-0.1.2.tar.gz
loongson/mirror helli2-0.1.tar.gz