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/app/[lang]/docs/[[...slug]]/page.tsx

@@ -0,0 +1,61 @@
+import { source } from '@/lib/source';
+import { DocsPage, DocsBody, DocsDescription, DocsTitle } from 'fumadocs-ui/page';
+import { notFound } from 'next/navigation';
+import { createRelativeLink } from 'fumadocs-ui/mdx';
+import { getMDXComponents } from '@/mdx-components';
+
+export default async function Page({
+  params
+}: {
+  params: Promise<{ lang: string; slug?: string[] }>;
+}) {
+  const { lang, slug } = await params;
+  const page = source.getPage(slug, lang);
+  if (!page || !page.data || !page.file) notFound();
+
+  const MDXContent = page.data.body;
+
+  return (
+    <DocsPage
+      toc={page.data.toc}
+      full={page.data.full}
+      tableOfContent={{
+        style: 'clerk'
+      }}
+      editOnGithub={{
+        owner: 'labring',
+        repo: 'FastGPT',
+        sha: 'main',
+        path: `document/content/docs/${page.file.path}`
+      }}
+      lastUpdate={page.data.lastModified ? new Date(page.data.lastModified) : undefined}
+    >
+      <DocsTitle>{page.data.title}</DocsTitle>
+      <DocsDescription>{page.data.description}</DocsDescription>
+      <DocsBody>
+        <MDXContent
+          components={getMDXComponents({
+            a: createRelativeLink(source, page)
+          })}
+        />
+      </DocsBody>
+    </DocsPage>
+  );
+}
+
+export async function generateStaticParams() {
+  return source.generateParams();
+}
+
+export async function generateMetadata(props: {
+  params: Promise<{ lang: string; slug?: string[] }>;
+}) {
+  const { lang, slug } = await props.params;
+  const page = source.getPage(slug, lang);
+  if (!page || !page.data) notFound();
+
+  return {
+    title: `${page.data.title} | FastGPT`,
+    description: page.data.description
+  };
+}