New document (#5299)

* add new doc (#5175)

Co-authored-by: dreamer6680 <146868355@qq.com>

* Test docs (#5235)

* fix: change the page of doc

* chore: add new dependencies, update global styles/layout, optimize docs, add Feishu & GitHub icons, update API examples

* fix: docs/index 404 not found

* Update environment variable names, optimize styles, add new API routes, fix component styles, adjust documentation, and update GitHub and Feishu icons

* update readme

* feat: add a linkfastgpt compontent

* feat: update new doc

* fix:remove unuse page and redirect homepage to docs (#5288)

* fix：remove some unuse doc

* fix: redirect homepage to doc

* git ignore

* fix:navbar to index (#5295)

* sidbar

* fix: navtab unlight (#5298)

* doc

---------

Co-authored-by: dreamer6680 <1468683855@qq.com>
Co-authored-by: dreamer6680 <146868355@qq.com>

document/content/docs/introduction/FAQ/external_channel_integration.mdx

@@ -0,0 +1,14 @@
+---
+title: 接入外部渠道
+description: 如何通过外部渠道与 FastGPT 集成，实现对多种平台的支持
+---
+
+1. ### 接入cow，图文对话无法直接显示图片
+
+提示词给引导，不要以markdown格式输出。图片需要二开 cow 实现图片链接截取并发送。
+
+1. ### 可以获取到用户发送问答的记录吗
+
+在应用的对话日志里可以查看。
+
+![](/imgs/integration1.png)