feat: add devices grid page with device cards

app/devices/page.tsx

@@ -0,0 +1,10 @@
+import { DevicesPageClient } from "./page-client"
+
+export const metadata = {
+  title: "Devices — DeckyVault",
+  description: "Browse handheld and console devices with benchmark data on DeckyVault",
+}
+
+export default function DevicesPage() {
+  return <DevicesPageClient />
+}