fix: Fixes missing methods. Adds more admin gump world building (#1675)

### Summary
- Fixe commands missing in helpinfo.
- Adds more admin gump world building options. 

### Screenshots

<img src="https://github.com/modernuo/ModernUO/assets/3953314/3001aa65-4f46-4ba4-89ed-745fefdd27c3" width="50%">

Projects/UOContent/Engines/ConPVP/DuelContext.cs

@@ -1239,6 +1239,9 @@ namespace Server.Engines.ConPVP
             CommandSystem.Register("vli", AccessLevel.GameMaster, vli_oc);
         }
 
+        [Usage("vli")]
+        [Aliases("ViewLadderInfo")]
+        [Description("View ladder information.")]
         private static void vli_oc(CommandEventArgs e)
         {
             e.Mobile.BeginTarget(-1, false, TargetFlags.None, vli_ot);