loongson/pypi: links for doubaochat

loongson/mirror doubaochat-1.0.6.tar.gz
loongson/mirror doubaochat-1.0.5.tar.gz
loongson/mirror DouBaoChat-1.0.4.tar.gz
loongson/mirror DouBaoChat-1.0.3.tar.gz
loongson/mirror DouBaoChat-1.0.2.tar.gz