Add WiZ provisioning wizard

lib/screens/settings_screen.dart

@@ -13,6 +13,7 @@ import '../models/home_config.dart';
 import '../providers/providers.dart';
 import 'home_edit_screen.dart';
 import 'homes_screen.dart';
+import 'wiz_provisioning_screen.dart';
 
 enum SettingsEntryPoint { homes, remote }
 
@@ -90,6 +91,15 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
                   spacing: 8,
                   runSpacing: 8,
                   children: [
+                    FilledButton.icon(
+                      onPressed: () => Navigator.of(context).push(
+                        MaterialPageRoute(
+                          builder: (_) => const WizProvisioningScreen(),
+                        ),
+                      ),
+                      icon: const Icon(Icons.lightbulb_outline),
+                      label: const Text('Подключить WiZ-лампу'),
+                    ),
                     FilledButton.tonalIcon(
                       onPressed: () => _openHomeEditor(context, currentHome),
                       icon: const Icon(Icons.edit_location_alt_outlined),