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/development/upgrading/487.mdx

@@ -0,0 +1,24 @@
+---
+title: V4.8.7
+description: FastGPT V4.8.7 更新说明
+---
+## 升级指南
+
+### 1. 做好数据库备份
+
+### 2. 修改镜像
+
+- fastgpt 镜像 tag 修改成 v4.8.7
+- 商业版镜像 tag 修改成 v4.8.7
+
+-------
+
+## V4.8.7 更新说明
+
+1. 新增 - 插件支持独立运行，发布和日志查看
+2. 新增 - 应用搜索
+3. 优化 - 对话框代码
+4. 优化 - 升级 Dockerfile node 和 pnpm 版本
+5. 优化 - local 域名部署，也可以正常使用 vision 模式
+6. 修复 - 简易模式无法变更全局变量
+7. 修复 - gpt4o 无法同时使用工具和图片