Added TabComplete reducer for better suggestions

src/main/java/eu/mhsl/craftattack/spawn/appliance/ApplianceCommand.java

@@ -50,6 +50,10 @@ public abstract class ApplianceCommand<T extends Appliance> implements Appliance
         return null;
     }
 
+    protected List<String> tabCompleteReducer(List<String> response, String[] args) {
+        return response.stream().filter(s -> s.startsWith(args[args.length-1])).toList();
+    }
+
     protected abstract void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args);
 
     @Override