loongson/pypi: links for chathon

loongson/mirror chathon-2.2.tar.gz
loongson/mirror chathon-2.2-py3-none-any.whl
loongson/mirror chathon-2.0.tar.gz
loongson/mirror chathon-2.0-py3-none-any.whl
loongson/mirror chathon-1.5.tar.gz
loongson/mirror chathon-1.5-py3-none-any.whl
loongson/mirror chathon-1.2.tar.gz
loongson/mirror chathon-1.2-py3-none-any.whl