loongson/pypi: links for ditts

loongson/mirror diTTS-2.6.7.tar.gz
loongson/mirror diTTS-2.6.7-py3-none-any.whl
loongson/mirror diTTS-2.6.0.tar.gz
loongson/mirror diTTS-2.6.0-py3-none-any.whl