feat: SponsorBlock switch

lib/utils/global_data_cache.dart

@@ -55,6 +55,8 @@ class GlobalDataCache {
   static late bool enableDynamicSwitch;
   // 投屏开关
   static bool enableDlna = false;
+  // sponsorBlock开关
+  static bool enableSponsorBlock = false;
 
   // 私有构造函数
   GlobalDataCache._();
@@ -123,5 +125,7 @@ class GlobalDataCache {
     enableDynamicSwitch =
         setting.get(SettingBoxKey.enableDynamicSwitch, defaultValue: true);
     enableDlna = setting.get(SettingBoxKey.enableDlna, defaultValue: false);
+    enableSponsorBlock =
+        setting.get(SettingBoxKey.enableSponsorBlock, defaultValue: false);
   }
 }

lib/utils/storage.dart

@@ -116,7 +116,8 @@ class SettingBoxKey {
       enableAutoExpand = 'enableAutoExpand',
       defaultHomePage = 'defaultHomePage',
       enableRelatedVideo = 'enableRelatedVideo',
-      enableDlna = 'enableDlna';
+      enableDlna = 'enableDlna',
+      enableSponsorBlock = 'enableSponsorBlock';
 
   /// 外观
   static const String themeMode = 'themeMode',