feat: Added web notification of successful subscription import

src/locales/en.json

@@ -367,5 +367,6 @@
   "Clash Core Restarted": "Clash Core Restarted",
   "Switched to _clash Core": "Switched to {{core}} Core",
   "GeoData Updated": "GeoData Updated",
-  "Currently on the Latest Version": "Currently on the Latest Version"
+  "Currently on the Latest Version": "Currently on the Latest Version",
+  "Import Subscription Successful": "Import subscription successful"
 }

src/locales/fa.json

@@ -365,5 +365,6 @@
   "Clash Core Restarted": "هسته Clash مجدداً راه‌اندازی شد",
   "Switched to _clash Core": "تغییر به هسته {{core}}",
   "GeoData Updated": "GeoData به‌روزرسانی شد",
-  "Currently on the Latest Version": "در حال حاضر در آخرین نسخه"
+  "Currently on the Latest Version": "در حال حاضر در آخرین نسخه",
+  "Import Subscription Successfully": "عضویت با موفقیت وارد شد"
 }

src/locales/ru.json

@@ -365,5 +365,6 @@
   "Clash Core Restarted": "Clash ядра перезапущено",
   "Switched to _clash Core": "Переключено на ядра {{core}}",
   "GeoData Updated": "GeoData Обновлена",
-  "Currently on the Latest Version": "В настоящее время используется последняя версия"
+  "Currently on the Latest Version": "В настоящее время используется последняя версия",
+  "Import subscription successful": "Импорт подписки успешно"
 }

src/locales/zh.json

@@ -367,5 +367,6 @@
   "Clash Core Restarted": "已重启 Clash 内核",
   "Switched to _clash Core": "已切换至 {{core}} 内核",
   "GeoData Updated": "已更新 GeoData",
-  "Currently on the Latest Version": "当前已是最新版本"
+  "Currently on the Latest Version": "当前已是最新版本",
+  "Import Subscription Successful": "导入订阅成功"
 }