feat: splash page done

lib/feature/onboarding/presentation/pages/onboarding_page/onboarding_page.dart

@@ -0,0 +1,10 @@
+import '../../../../../food_delivery_client.dart';
+
+class OnboardingPage extends StatelessWidget {
+  const OnboardingPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return WLayout(child: Scaffold());
+  }
+}