feat(docs): remove /docs prefix

docs/app/(home)/layout.tsx

@@ -0,0 +1,77 @@
+import { DocsLayout } from 'fumadocs-ui/layouts/docs';
+import { baseOptions } from '@/lib/layout.shared';
+import { source } from '@/lib/source';
+import { CodeXmlIcon, CompassIcon, ServerIcon } from 'lucide-react';
+
+function TabIcon({
+  color = 'var(--color-fd-foreground)',
+  children,
+}: {
+  color?: string;
+  children: React.ReactNode;
+}) {
+  return (
+    <div
+      className="[&_svg]:size-full rounded-lg size-full text-(--tab-color) max-md:bg-(--tab-color)/10 max-md:border max-md:p-1.5"
+      style={
+        {
+          '--tab-color': color,
+        } as React.CSSProperties
+      }
+    >
+      {children}
+    </div>
+  );
+}
+
+function TabTitle({ children }: { children: React.ReactNode }) {
+  return <span className="text-[11px]">{children}</span>;
+}
+
+export default function Layout({ children }: LayoutProps<'/'>) {
+  return (
+    // @ts-ignore
+    <DocsLayout
+      tree={source.pageTree}
+      sidebar={{
+        defaultOpenLevel: 1,
+        prefetch: true,
+        tabs: [
+          {
+            title: 'OpenIsle 前端',
+            description: <TabTitle>前端开发文档</TabTitle>,
+            url: '/frontend',
+            icon: (
+              <TabIcon color="#4ca154">
+                <CompassIcon />
+              </TabIcon>
+            ),
+          },
+          {
+            title: 'OpenIsle 后端',
+            description: <TabTitle>后端开发文档</TabTitle>,
+            url: '/backend',
+            icon: (
+              <TabIcon color="#1f66f4">
+                <ServerIcon />
+              </TabIcon>
+            ),
+          },
+          {
+            title: 'OpenIsle API',
+            description: <TabTitle>后端 API 文档</TabTitle>,
+            url: '/openapi',
+            icon: (
+              <TabIcon color="#677489">
+                <CodeXmlIcon />
+              </TabIcon>
+            ),
+          },
+        ],
+      }}
+      {...baseOptions()}
+    >
+      {children}
+    </DocsLayout>
+  );
+}