added leaderboard

Assets/Code/Saves/GameData.cs

@@ -1,19 +1,33 @@
 using System;
+using System.Collections.Generic;
 using UnityEngine;
 
 namespace Code.Saves
 {
+    [Serializable]
+    public class LeaderboardEntry
+    {
+        public string playerName;
+        public int score;
+
+        public LeaderboardEntry(string name, int score)
+        {
+            playerName = name;
+            this.score = score;
+        }
+    }
+
     [Serializable]
     public class GameData
     {
         public int bodyMaterialIndex;
         public int faceMaterialIndex;
         public int hatIndex;
-
         public Color platformColor = Color.white;
         public Color bonusColor = Color.white;
 
         public string playerName = "Player";
-        public int highScore;
+
+        public List<LeaderboardEntry> leaderboard = new List<LeaderboardEntry>();
     }
 }