New translations en.xaml (Vietnamese)

[ci skip]

Author: jjw24

Flow.Launcher/Languages/vi.xaml

@@ -362,6 +362,7 @@
     <system:String x:Key="logLevel">Log Level</system:String>
     <system:String x:Key="LogLevelDEBUG">Debug</system:String>
     <system:String x:Key="LogLevelINFO">Info</system:String>
+    <system:String x:Key="settingWindowFont">Setting Window Font</system:String>
 
     <!--  FileManager Setting Dialog  -->
     <system:String x:Key="fileManagerWindow">Chọn trình quản lý tệp</system:String>