loongson/mirror: links for semlix

loongson/mirror semlix-3.1.0.tar.gz
loongson/mirror semlix-3.1.0-py2.py3-none-any.whl
loongson/mirror semlix-3.0.0.tar.gz
loongson/mirror semlix-3.0.0-py2.py3-none-any.whl