[chore:] added CSV-Separator Settings.cs

Settings.cs

@@ -74,6 +74,7 @@ public class Global
             Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
                 "global.config"), json);
     }
+
     public static void Load()
     {
         // if (!File.Exists(Path.Combine(
@@ -121,6 +122,7 @@ public class Customer
     public string name { get; set; } = "";
     public string description { get; set; } = "";
     public AddressPatch patch { get; set; }
+    public char separator { get; set; } = ',';
     public int ID { get; }
 
     public static int GetIDByCustomerListItem(string item_content)