loongson/pypi: links for improvmxpy

loongson/mirror improvmxpy-1.5.tar.gz
loongson/mirror improvmxpy-1.4.tar.gz
loongson/mirror improvmxpy-1.1-py3-none-any.whl
loongson/mirror improvmxpy-1-py3.10.egg
loongson/mirror improvmxpy-1-py3-none-any.whl