fixed leaderboard with new PointsWinScore class

src/main/java/eu/mhsl/minenet/minigames/util/MapUtil.java

@@ -0,0 +1,20 @@
+package eu.mhsl.minenet.minigames.util;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+public class MapUtil {
+    public static <K, V extends Comparable<? super V>> Map<K, V> sortByValue(Map<K, V> map) {
+        List<Map.Entry<K, V>> list = new ArrayList<>(map.entrySet());
+        list.sort(Map.Entry.comparingByValue());
+
+        Map<K, V> result = new LinkedHashMap<>();
+        for (Map.Entry<K, V> entry : list) {
+            result.put(entry.getKey(), entry.getValue());
+        }
+
+        return result;
+    }
+}