[FEATURE] Can ChatAlibabaTongyi or ChatBaiduWenxin be added to Chat Models?

[iceycc]

Describe the feature you'd like

Hopefully, the addition of ChatAlibabaTongyi or ChatBaiduWenxin will be more beneficial to developers in China。
like https://js.langchain.com/v0.2/docs/integrations/chat/baidu_wenxin https://js.langchain.com/v0.2/docs/integrations/chat/alibaba_tongyi

Additional context
Add any other context or screenshots about the feature request here.