loongson/mirror: links for denden-extension

loongson/mirror denden_extension-2.0.0.tar.gz
loongson/mirror denden_extension-2.0.0-py3-none-any.whl
loongson/mirror denden_extension-1.0.0.tar.gz
loongson/mirror denden_extension-1.0.0-py2.py3-none-any.whl
loongson/mirror denden_extension-0.1.0.tar.gz
loongson/mirror denden_extension-0.1.0-py2.py3-none-any.whl