feat: onboarding page

lib/presentation/router/app_router.dart

@@ -5,7 +5,10 @@ import 'app_router.gr.dart';
 class AppRouter extends RootStackRouter {
   @override
   List<AutoRoute> get routes => [
-        // Splash
-        AutoRoute(page: SplashRoute.page, initial: true),
-      ];
+    // Splash
+    AutoRoute(page: SplashRoute.page, initial: true),
+
+    // Onboarding
+    AutoRoute(page: OnboardingRoute.page),
+  ];
 }

lib/presentation/router/app_router.gr.dart

@@ -9,21 +9,39 @@
 // coverage:ignore-file
 
 // ignore_for_file: no_leading_underscores_for_library_prefixes
-import 'package:auto_route/auto_route.dart' as _i2;
-import 'package:enaklo/presentation/pages/splash/splash_page.dart' as _i1;
+import 'package:auto_route/auto_route.dart' as _i3;
+import 'package:enaklo/presentation/pages/onboarding/onboarding_page.dart'
+    as _i1;
+import 'package:enaklo/presentation/pages/splash/splash_page.dart' as _i2;
 
 /// generated route for
-/// [_i1.SplashPage]
-class SplashRoute extends _i2.PageRouteInfo<void> {
-  const SplashRoute({List<_i2.PageRouteInfo>? children})
+/// [_i1.OnboardingPage]
+class OnboardingRoute extends _i3.PageRouteInfo<void> {
+  const OnboardingRoute({List<_i3.PageRouteInfo>? children})
+    : super(OnboardingRoute.name, initialChildren: children);
+
+  static const String name = 'OnboardingRoute';
+
+  static _i3.PageInfo page = _i3.PageInfo(
+    name,
+    builder: (data) {
+      return const _i1.OnboardingPage();
+    },
+  );
+}
+
+/// generated route for
+/// [_i2.SplashPage]
+class SplashRoute extends _i3.PageRouteInfo<void> {
+  const SplashRoute({List<_i3.PageRouteInfo>? children})
     : super(SplashRoute.name, initialChildren: children);
 
   static const String name = 'SplashRoute';
 
-  static _i2.PageInfo page = _i2.PageInfo(
+  static _i3.PageInfo page = _i3.PageInfo(
     name,
     builder: (data) {
-      return const _i1.SplashPage();
+      return const _i2.SplashPage();
     },
   );
 }