[Feature]: Hope to add Qwen, Zhipu, Qianfan models

[zryf2000]

The Feature

langchain has good examples and hopes to be added to litellm, here is the link: https://python.langchain.com/docs/integrations/chat/tongyi/ https://python.langchain.com/docs/integrations/chat/baidu_qianfan_endpoint/ https://python.langchain.com/docs/integrations/chat/zhipuai/

Motivation, pitch

These models are very good and worth using.Strongly hope to add！

Twitter / LinkedIn details

No response