New translations en.xaml (Polish)

[ci skip]

Author: jjw24

Plugins/Flow.Launcher.Plugin.Calculator/Languages/pl.xaml

@@ -12,4 +12,5 @@
     <system:String x:Key="flowlauncher_plugin_calculator_decimal_seperator_comma">Przecinek (,)</system:String>
     <system:String x:Key="flowlauncher_plugin_calculator_decimal_seperator_dot">Kropka (.)</system:String>
     <system:String x:Key="flowlauncher_plugin_calculator_max_decimal_places">Maks. liczba miejsc po przecinku</system:String>
+    <system:String x:Key="flowlauncher_plugin_calculator_failed_to_copy">Copy failed, please try later</system:String>
 </ResourceDictionary>