Added layer to directory listing in index page

Author: ToriLindsay

src/content/docs/workers/framework-guides/index.mdx

@@ -18,4 +18,4 @@ import {
 Create full-stack applications deployed to Cloudflare Workers.
 </Description>
 
-<DirectoryListing folder="workers/framework-guides" maxDepth={2}/>
+<DirectoryListing folder="workers/framework-guides" maxDepth={4}/>