Created onboarding

lib/screens/onboarding/model/onboarding.model.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+
+class OnboardingModel {
+  final PageController pageController;
+  final bool confirmServerRunning;
+
+  OnboardingModel({
+    required this.pageController,
+    required this.confirmServerRunning,
+  });
+
+  OnboardingModel toggleConfirmServerRunning(bool newValue) => OnboardingModel(
+        pageController: pageController,
+        confirmServerRunning: newValue,
+      );
+}