New translations en.xaml (Vietnamese)

[ci skip]

Author: jjw24

Flow.Launcher/Languages/vi.xaml

@@ -352,6 +352,7 @@
     <system:String x:Key="logfolder">Thư mục nhật ký</system:String>
     <system:String x:Key="clearlogfolder">Xóa tệp nhật ký</system:String>
     <system:String x:Key="clearlogfolderMessage">Bạn có chắc chắn muốn xóa tất cả nhật ký không?</system:String>
+    <system:String x:Key="cachefolder">Cache Folder</system:String>
     <system:String x:Key="clearcachefolder">Clear Caches</system:String>
     <system:String x:Key="clearcachefolderMessage">Are you sure you want to delete all caches?</system:String>
     <system:String x:Key="clearfolderfailMessage">Failed to clear part of folders and files. Please see log file for more information</system:String>