feat: add customer authentication and order dashboard

app/dashboard/layout.tsx

@@ -0,0 +1,7 @@
+import type {ReactNode} from 'react';
+import ProtectedPage from '@/components/auth/ProtectedPage';
+import DashboardShell from '@/components/dashboard/DashboardShell';
+
+export default function Layout({children}: {children: ReactNode}) {
+    return <ProtectedPage><DashboardShell>{children}</DashboardShell></ProtectedPage>;
+}