loongson/pypi: links for pyzipcode3

loongson/mirror pyzipcode3-2.2-py2.py3-none-any.whl
loongson/mirror pyzipcode3-2.1-py2.py3-none-any.whl
loongson/mirror pyzipcode3-2.0.tar.gz
loongson/mirror pyzipcode3-1.2.tar.gz