New translations en.xaml (Vietnamese)

[ci skip]

Author: jjw24

Plugins/Flow.Launcher.Plugin.WebSearch/Languages/vi.xaml

@@ -11,6 +11,7 @@
     <system:String x:Key="flowlauncher_plugin_websearch_edit">Sửa</system:String>
     <system:String x:Key="flowlauncher_plugin_websearch_add">Thêm</system:String>
     <system:String x:Key="flowlauncher_plugin_websearch_enabled_label">Đã bật</system:String>
+    <system:String x:Key="flowlauncher_plugin_websearch_private_mode_label">Chế độ riêng tư</system:String>
     <system:String x:Key="flowlauncher_plugin_websearch_true">Đã bật</system:String>
     <system:String x:Key="flowlauncher_plugin_websearch_false">Vô hiệu hóa</system:String>
     <system:String x:Key="flowlauncher_plugin_websearch_confirm">Xác nhận</system:String>