docs: fix link to document-driven example

Author: clemcode

docs/content/5.examples/1.essentials/2.document-driven.md

@@ -7,5 +7,5 @@ description: 'Discover the document-driven mode of Nuxt Content in a live exampl
 ::ReadMore{link="/guide/writing/document-driven"}
 ::
 
-::sandbox{repo="nuxt/content" branch="main" dir="examples/document-driven" file="index.md"}
+::sandbox{repo="nuxt/content" branch="main" dir="examples/essentials/document-driven" file="index.md"}
 ::