Refactor character attributes system; replace individual attributes with a dictionary-based approach for better scalability and maintainability

Assets/Scripts/Data/Attribute.cs

@@ -0,0 +1,19 @@
+namespace Data
+{
+    public enum Attribute
+    {
+        Health,
+        MaxHealth,
+        MoveSpeed,
+        Luck,
+        Armor,
+        Damage,
+        RangedDamage,
+        MeleeDamage,
+        AttackRange,
+        AttackSpeed,
+        Level,
+        Experience,
+        BaseExperienceToNextLevel,
+    }
+}