loongson/pypi: links for wxm-example

loongson/mirror wxm_example-0.0.31.tar.gz
loongson/mirror wxm_example-0.0.3.tar.gz
loongson/mirror wxm_example-0.0.3-py3-none-any.whl
loongson/mirror wxm_example-0.0.1-py3.7.egg