📝 docs: add nav

Author: iamyoki

docs/app/docs/layout.tsx

@@ -4,7 +4,7 @@ import { DocsLayout } from "fumadocs-ui/layouts/docs";
 
 export default function Layout({ children }: LayoutProps<"/docs">) {
   return (
-    <DocsLayout tree={source.pageTree} {...baseOptions()}>
+    <DocsLayout tree={source.pageTree} {...baseOptions()} links={[]}>
       {children}
     </DocsLayout>
   );

docs/lib/layout.shared.tsx

@@ -13,5 +13,11 @@ export function baseOptions(): BaseLayoutProps {
       ),
     },
     githubUrl: "https://github.com/iamyoki/committier",
+    links: [
+      {
+        text: "Documentation",
+        url: "/docs",
+      },
+    ],
   };
 }