loongson/mirror: links for pypipy

loongson/mirror pypipy-0.0.4.2-py3-none-any.whl
loongson/mirror pypipy-0.0.4.1-py3-none-any.whl
loongson/mirror pypipy-0.0.4-py3-none-any.whl
loongson/mirror pypipy-0.0.3-py3-none-any.whl