loongson/pypi: links for piptestpackage

loongson/mirror pipTestPackage-0.0.4-py3-none-any.whl
loongson/mirror pipTestPackage-0.0.3-py3-none-any.whl
loongson/mirror pipTestPackage-0.0.2.tar.gz
loongson/mirror pipTestPackage-0.0.2-py2.py3-none-any.whl