loongson/pypi: links for strawengine

loongson/mirror StrawEngine-0.3.0.tar.gz
loongson/mirror StrawEngine-0.2.2.tar.gz
loongson/mirror StrawEngine-0.2.1.tar.gz
loongson/mirror StrawEngine-0.2.0.tar.gz
loongson/mirror StrawEngine-0.1.1.tar.gz
loongson/mirror StrawEngine-0.1.tar.gz