Shrink news widget and add an advertisement below it

Reduce the visible count of news items in the NewsWidget from 5 to 3 and wrap the widget and a new NativeAdCard in a div for layout purposes in home.tsx.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 517dfa7b-26ac-463d-a6e1-a58c6df97188
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client/src/components/news-widget.tsx

@@ -9,7 +9,7 @@ interface NewsItem {
   pubDate: string;
 }
 
-const VISIBLE_COUNT = 5;
+const VISIBLE_COUNT = 3;
 
 export function NewsWidget() {
   const { data: news, isLoading } = useQuery<NewsItem[]>({

client/src/pages/home.tsx

@@ -384,7 +384,10 @@ export default function Home() {
             <MediumCard key={a.id} article={a} focalPoints={focalPoints} />
           ))}
           <PhotoGalleryWidget />
-          <NewsWidget />
+          <div className="flex flex-col gap-4">
+            <NewsWidget />
+            <NativeAdCard />
+          </div>
         </div>
 
         {row4Articles.length > 0 && (