Keep documentation content at root /content/docs as requested

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

README.md

@@ -1,7 +1,7 @@
 import { defineDocs, defineConfig } from 'fumadocs-mdx/config';
 
 export const docs = defineDocs({
-  dir: 'content/docs',
+  dir: '../../content/docs',
 }) as any;
 
 export default defineConfig();