loongson/pypi: links for mantra-voice

loongson/mirror mantra-voice-0.6.tar.gz
loongson/mirror mantra-voice-0.5.tar.gz
loongson/mirror mantra-voice-0.4.tar.gz
loongson/mirror mantra-voice-0.3.tar.gz
loongson/mirror mantra-voice-0.2.tar.gz
loongson/mirror mantra-voice-0.1.tar.gz