added tooltips for the sorting icon in the proxy list

src/locales/en.json

@@ -644,5 +644,8 @@
   "Menu": "Menu",
   "Add New Profile": "Add New Profile",
   "Delete Profile": "Delete Profile {{name}}?",
-  "This action cannot be undone.": "This action cannot be undone."
+  "This action cannot be undone.": "This action cannot be undone.",
+  "Default": "Default",
+  "sort by ping": "Sort by ping",
+  "sort by name": "Sort by name"
 }

src/locales/ru.json

@@ -593,5 +593,9 @@
   "Disconnecting...": "Отключение...",
   "Add New Profile": "Добавить новый профиль",
   "Delete Profile": "Удалить профиль {{name}}?",
-  "This action cannot be undone.": "Это действие не может быть отменено"
+  "This action cannot be undone.": "Это действие не может быть отменено",
+  "Update via proxy": "Обновить через прокси",
+  "Default": "По умолчанию",
+  "sort by ping": "Сортировка по пингу",
+  "sort by name": "Сортировка по имени"
 }