renamed adminPermission constant to adminmarker for improved clarity and consistency

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/adminMarker/AdminMarker.java

@@ -14,7 +14,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.UUID;
 
 public class AdminMarker extends Appliance implements DisplayName.Colored {
-    public final static String adminPermission = "admin";
+    public final static String adminPermission = "adminmarker";
 
     @Override
     public @Nullable TextColor getNameColor(Player player) {