New translations en.xaml (French)

[ci skip]

Author: jjw24

Flow.Launcher/Languages/fr.xaml

@@ -367,6 +367,7 @@ Si vous ajoutez un préfixe "@" lors de la saisie d'un raccourci, celu
     <system:String x:Key="commonOK">Ok</system:String>
     <system:String x:Key="commonYes">Oui</system:String>
     <system:String x:Key="commonNo">Non</system:String>
+    <system:String x:Key="commonBackground">Arrière-plan</system:String>
 
     <!--  Crash Reporter  -->
     <system:String x:Key="reportWindow_version">Version</system:String>