Feat: Add SettingsProvider and Toggle for Enemy Animations

lib/providers/settings_provider.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class SettingsProvider with ChangeNotifier {
+  static const String _keyEnemyAnim = 'settings_enemy_anim';
+
+  bool _enableEnemyAnimations = false; // Default: Disabled
+
+  bool get enableEnemyAnimations => _enableEnemyAnimations;
+
+  SettingsProvider() {
+    _loadSettings();
+  }
+
+  Future<void> _loadSettings() async {
+    final prefs = await SharedPreferences.getInstance();
+    _enableEnemyAnimations = prefs.getBool(_keyEnemyAnim) ?? false;
+    notifyListeners();
+  }
+
+  Future<void> toggleEnemyAnimations(bool value) async {
+    _enableEnemyAnimations = value;
+    notifyListeners();
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_keyEnemyAnim, value);
+  }
+}