loongson/pypi: links for co2gui

loongson/mirror co2gui-3.0.0.tar.gz
loongson/mirror co2gui-3.0.0-py2.py3-none-any.whl
loongson/mirror co2gui-3.0.0b0-py2.py3-none-any.whl
loongson/mirror co2gui-2.0.0-py2.py3-none-any.whl