loongson/pypi: links for dayutil

loongson/mirror dayutil-0.0.6a0.tar.gz
loongson/mirror dayutil-0.0.6a0-py3-none-any.whl
loongson/mirror dayutil-0.0.4.tar.gz
loongson/mirror dayutil-0.0.4-py3-none-any.whl
loongson/mirror dayutil-0.0.1.tar.gz
loongson/mirror dayutil-0.0.1-py3-none-any.whl