从小程序文档交易组件文档是这份：https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent2/m_guideline.html；然后现在从小程序后台自定义交易组件接口指引的文档是https://developers.weixin.qq.com/doc/channels/API/basics/getaccesstoken.html 这个视频号小店文档，想咨询一下自定义交易组件的开发文档是哪一份？