ChatKnowledge how to use rerank

[paul-yangmy]

Search before asking

• [X] I had searched in the issues and found no similar feature requirement.

Description

缺失ChatKnowledge中使用reranker的教程，在使用0.5.6时在页面没有找到相关配置信息，看后台日志也没有调用env中配置的相关模型的日志。能否提供一些具体的教程来说明一下如何使用这一功能么，谢谢~

Documentation Links

No response

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!