Add R2 image display in homepage with CDN support

frontend/src/app/page.tsx

@@ -1,3 +1,5 @@
+import Image from "next/image";
+import { cdnUrl } from "@/lib/cdn";
 import { PostHogTestButton } from "./posthog-test-button";
 
 export default function Home() {
@@ -8,6 +10,13 @@ export default function Home() {
         <p className="text-xl text-muted-foreground">
           Производитель фасадной плитки
         </p>
+        <Image
+          src={cdnUrl("test/Frame 55.png")}
+          alt="Test R2 image"
+          width={600}
+          height={486}
+          className="rounded-lg shadow-lg"
+        />
         <div className="flex gap-4 text-sm text-muted-foreground">
           <span>Next.js</span>
           <span>+</span>