New translations en.xaml (Serbian (Latin))

[ci skip]

Author: jjw24

Flow.Launcher/Languages/sr.xaml

@@ -368,6 +368,7 @@ If you add an '@' prefix while inputting a shortcut, it matches any position in
     <system:String x:Key="commonOK">OK</system:String>
     <system:String x:Key="commonYes">Yes</system:String>
     <system:String x:Key="commonNo">No</system:String>
+    <system:String x:Key="commonBackground">Background</system:String>
 
     <!--  Crash Reporter  -->
     <system:String x:Key="reportWindow_version">Verzija</system:String>