Add vpinball: a browser Visual Pinball player

Next.js app that plays real .vpx tables via @valknar/vpinball-wasm
(WebAssembly Visual Pinball). Demo mode with the bundled default
table, drag-and-drop custom table upload, a cabinet-styled UI with a
coin-door HUD (fullscreen/stats/info/eject), a custom 404 page, PWA
support (hand-rolled service worker), and a static Docker Compose
deployment behind nginx.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012hQoM3jJT1Lx7CMTciMzvD

app/page.tsx

@@ -0,0 +1,22 @@
+import AttractHero from "@/components/landing/AttractHero";
+
+export default function Home() {
+  return (
+    <main className="flex flex-1 flex-col items-center justify-center gap-8 px-4 py-16">
+      <AttractHero />
+      <p className="max-w-lg text-center font-mono text-xs text-chrome sm:hidden">
+        Pinball plays best in landscape or fullscreen — rotate your device once a table loads.
+      </p>
+      <footer className="font-mono text-xs text-chrome/70">
+        Powered by{" "}
+        <a
+          href="https://github.com/vpinball/vpinball"
+          className="underline decoration-dotted underline-offset-2 hover:text-arc"
+        >
+          Visual Pinball
+        </a>
+        , compiled to WebAssembly.
+      </footer>
+    </main>
+  );
+}