Add "AI" metadata to Browser Rendering (#19386)

Update browser-rending.yaml to add grouping for AI products

Author: kodster28

src/content/products/browser-rendering.yaml

@@ -4,6 +4,7 @@ product:
   title: Browser Rendering
   url: /browser-rendering/
   group: Developer platform
+  additional_groups: [AI]
 
 meta:
   title: Browser Rendering docs