loongson/mirror: links for mgsc

loongson/mirror mgsc-0.1.2-py2.py3-none-any.whl
loongson/mirror mgsc-0.1.1-py2.py3-none-any.whl
loongson/mirror mgsc-0.1.0-py2.py3-none-any.whl
loongson/mirror mgsc-0.1.0a4-py2.py3-none-any.whl
loongson/mirror mgsc-0.1.0a3-py2.py3-none-any.whl