loongson/pypi: links for esu

loongson/mirror esu-3.0.2.tar.gz
loongson/mirror esu-3.0.0.tar.gz
loongson/mirror esu-2.1.6.tar.gz
loongson/mirror esu-2.1.2.tar.gz
loongson/mirror esu-2.1.0.tar.gz
loongson/mirror esu-1.0.5.tar.gz
loongson/mirror esu-1.0.0.tar.gz