Added settings screen (Vibration toggle might not work)

lib/services/SSHService.dart

@@ -5,27 +5,23 @@ import 'package:QuickSSH/classes/ServerCommand.dart';
 class SSHService {
   static Future<String> execute(ServerCommand server) async {
     try {
-      // 1. Connect to the IP and Port
       final socket = await SSHSocket.connect(
         server.ip,
         22,
         timeout: const Duration(seconds: 10),
       );
 
-      // 2. Authenticate
       final client = SSHClient(
         socket,
         username: server.username,
         onPasswordRequest: () => server.password,
       );
 
-      // 3. Run the specific command
       final result = await client.run(server.command);
 
       client.close();
       await client.done;
 
-      // 4. Return the server's response
       return utf8.decode(result);
     } catch (e) {
       return "Error: $e";

lib/services/settings_controller.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class SettingsController extends ChangeNotifier {
+  bool _vibrationEnabled = true;
+  bool get vibrationEnabled => _vibrationEnabled;
+
+  SettingsController() {
+    _loadSettings();
+  }
+
+  Future<void> _loadSettings() async {
+    final prefs = await SharedPreferences.getInstance();
+    _vibrationEnabled = prefs.getBool('vibration_enabled') ?? true;
+    notifyListeners();
+  }
+
+  Future<void> toggleVibration(bool value) async {
+    _vibrationEnabled = value;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('vibration_enabled', value);
+    notifyListeners();
+  }
+}

lib/services/theme_controller.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class ThemeController extends ChangeNotifier {
+  ThemeMode _themeMode = ThemeMode.system;
+
+  ThemeMode get themeMode => _themeMode;
+
+  ThemeController() {
+    _loadTheme();
+  }
+
+  // Load saved theme from disk
+  Future<void> _loadTheme() async {
+    final prefs = await SharedPreferences.getInstance();
+    final themeIndex = prefs.getInt('theme_mode') ?? 0;
+    _themeMode = ThemeMode.values[themeIndex];
+    notifyListeners();
+  }
+
+  // Update and save theme
+  Future<void> updateTheme(ThemeMode? newThemeMode) async {
+    if (newThemeMode == null || newThemeMode == _themeMode) return;
+
+    _themeMode = newThemeMode;
+    notifyListeners();
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt('theme_mode', newThemeMode.index);
+  }
+}