feat: add profile screen and update routing; enhance login validation and logout functionality

flutter/lib/features/recipes/presentation/recipes_screen.dart

@@ -1,15 +1,36 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../auth/data/auth_providers.dart';
 import '../data/recipe_providers.dart';
 
 class RecipesScreen extends ConsumerWidget {
   const RecipesScreen({super.key});
 
+  Future<void> _logout(BuildContext context, WidgetRef ref) async {
+    await ref.read(authStateProvider.notifier).logout();
+    if (context.mounted) context.go('/login');
+  }
+
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final recipesAsync = ref.watch(recipesProvider);
     return Scaffold(
-      appBar: AppBar(title: const Text('Recept')),
+      appBar: AppBar(
+        title: const Text('Recept'),
+        actions: [
+          IconButton(
+            tooltip: 'Profil',
+            icon: const Icon(Icons.person),
+            onPressed: () => context.go('/profile'),
+          ),
+          IconButton(
+            tooltip: 'Logga ut',
+            icon: const Icon(Icons.logout),
+            onPressed: () => _logout(context, ref),
+          ),
+        ],
+      ),
       body: recipesAsync.when(
         loading: () => const Center(child: CircularProgressIndicator()),
         error: (e, _) => Center(child: Text('Fel: $e')),