creates application

frontend/src/components/Layout.tsx

@@ -0,0 +1,17 @@
+import { Outlet } from 'react-router-dom';
+import { Navbar } from './Navbar';
+import { TimerWidget } from './TimerWidget';
+
+export function Layout() {
+  return (
+    <div className="min-h-screen bg-gray-50">
+      <Navbar />
+      <main className="pt-4 pb-24 px-4 sm:px-6 lg:px-8">
+        <div className="max-w-7xl mx-auto">
+          <Outlet />
+        </div>
+      </main>
+      <TimerWidget />
+    </div>
+  );
+}