Display error when game not found

components/NotFound.tsx

@@ -0,0 +1,10 @@
+export default function Custom404() {
+	return (
+		<main className="min-h-screen flex flex-col items-center justify-center text-center p-8 bg-[url('/img/table3.png')] bg-cover bg-center">
+			<h1 className="text-4xl font-bold text-gray-400 mb-4">404 - Game Not Found</h1>
+			<p className="text-lg text-gray-400">
+				The game you're looking for doesn't exist or has expired.
+			</p>
+		</main>
+	);
+}