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/lib/source.ts

@@ -0,0 +1,18 @@
+import { docs } from '@/.source';
+import { loader } from 'fumadocs-core/source';
+import { i18n } from './i18n';
+import { icons } from 'lucide-react';
+import { createElement } from 'react';
+
+// See https://fumadocs.vercel.app/docs/headless/source-api for more info
+export const source = loader({
+  i18n,
+  // it assigns a URL to your pages
+  baseUrl: '/docs',
+  source: docs.toFumadocsSource(),
+  icon(iconName) {
+    return iconName && icons[iconName as keyof typeof icons]
+      ? createElement(icons[iconName as keyof typeof icons])
+      : undefined;
+  }
+});