[RFC] Add PaddlePaddle docs qa bot

[sanbuphy]

针对当前套件信息获取,官方api文档解释相关现状,思考基于 LLM 原生的飞桨知识库问答应用

[paddle-bot[bot]]

你的PR提交成功，感谢你对开源项目的贡献! 请检查PR提交格式和内容是否完备，具体请参考示例和模版。 Your PR has been submitted. Thanks for your contribution! Please check its format and content. For this, you can refer to Template and Demo.

[CLAassistant]

All committers have signed the CLA.