Fixing my first test, to verify if my install worked properly

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/mobSilenceNametag/FirstTestClass.java

@@ -2,6 +2,10 @@ package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.mobSilenceName
 
 import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
 import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
 
 public class FirstTestClass extends Appliance {
 
@@ -9,4 +13,9 @@ public class FirstTestClass extends Appliance {
         return "Hello, " + player.getName() + "! Test 1";
     }
 
+    protected @NotNull List<Listener> listeners() {
+        return List.of(new FirstTestListener());
+    }
+
+
 }