feat(init): mise en place initiale de P'titsPas - Documentation: CDC complet, sécifications techniques SSS-001, charte graphique, évolutions - Backend: structure NestJS avec controllers/services/routes, config Prisma - Frontend: app Flutter avec structure MVC, thème et Firebase - Changement de nom: SuperNounou devient P'titsPas

frontend/lib/navigation/app_router.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import '../screens/auth/login_screen.dart';
+import '../screens/auth/register_screen.dart';
+import '../screens/auth/parent_register_screen.dart';
+import '../screens/home/home_screen.dart';
+
+class AppRouter {
+  static const String login = '/login';
+  static const String register = '/register';
+  static const String parentRegister = '/parent-register';
+  static const String home = '/home';
+
+  static Route<dynamic> generateRoute(RouteSettings settings) {
+    switch (settings.name) {
+      case login:
+        return MaterialPageRoute(builder: (_) => const LoginScreen());
+      case register:
+        return MaterialPageRoute(builder: (_) => const RegisterScreen());
+      case parentRegister:
+        return MaterialPageRoute(builder: (_) => const ParentRegisterScreen());
+      case home:
+        return MaterialPageRoute(builder: (_) => const HomeScreen());
+      default:
+        return MaterialPageRoute(
+          builder: (_) => Scaffold(
+            body: Center(
+              child: Text('Route non définie: ${settings.name}'),
+            ),
+          ),
+        );
+    }
+  }
+}