added customization

Assets/Code/Saves/GameData.cs

@@ -0,0 +1,19 @@
+using System;
+using UnityEngine;
+
+namespace Code.Saves
+{
+    [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;
+    }
+}

Assets/Code/Saves/GameData.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: f0ce86011fb84e229a6b0519f0cf3a6f
+timeCreated: 1772956848

Assets/Code/Saves/SaveManager.cs

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+using System.IO;
+using UnityEngine;
+
+namespace Code.Saves
+{
+    public static class SaveManager
+    {
+        private static string Path => Application.persistentDataPath + "/save.json";
+
+        public static void Save(GameData data)
+        {
+            var json = JsonUtility.ToJson(data, true);
+            File.WriteAllText(Path, json);
+        }
+
+        public static GameData Load()
+        {
+            if (!File.Exists(Path)) return new GameData();
+            var json = File.ReadAllText(Path);
+            return JsonUtility.FromJson<GameData>(json);
+        }
+    }
+}

Assets/Code/Saves/SaveManager.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d20ff63563944482a848fae3a09386de
+timeCreated: 1772956882