loongson/pypi: links for testinstances

loongson/mirror testinstances-0.3.0.tar.gz
loongson/mirror testinstances-0.2.1.tar.gz
loongson/mirror testinstances-0.2.0.tar.gz
loongson/mirror testinstances-0.1.1.tar.gz
loongson/mirror testinstances-0.1.0.tar.gz