Add backbone for card creation and implement Camera minigame mechanics

Assets/Scripts/Data/CardSystem/CardDefinition.cs

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+using System;
+using UnityEngine;
+
+namespace AppleHills.Data.CardSystem
+{
+    /// <summary>
+    /// Scriptable object defining a collectible card's properties.
+    /// Used as a template for generating CardData instances.
+    /// </summary>
+    [CreateAssetMenu(fileName = "New Card", menuName = "Apple Hills/Card System/Card Definition")]
+    public class CardDefinition : ScriptableObject
+    {
+        [Header("Identification")]
+        [Tooltip("Unique identifier for this card definition")]
+        public string Id = Guid.NewGuid().ToString();
+        
+        [Header("Basic Info")]
+        public string Name;
+        [TextArea(3, 5)]
+        public string Description;
+        public CardRarity Rarity;
+        public CardZone Zone;
+        
+        [Header("Visual Elements")]
+        public Sprite CardImage; // The actual card image
+        
+        [Header("Collection Info")]
+        public int CollectionIndex; // Position in the album
+        
+        /// <summary>
+        /// Creates a new CardData instance from this definition
+        /// </summary>
+        public CardData CreateCardData()
+        {
+            return new CardData(this);
+        }
+        
+        /// <summary>
+        /// Gets the background color for this card based on its zone
+        /// </summary>
+        public Color GetBackgroundColor()
+        {
+            // Colors based on zone
+            switch (Zone)
+            {
+                case CardZone.AppleHills:
+                    return new Color(0.8f, 0.9f, 0.8f); // Light green
+                case CardZone.Quarry:
+                    return new Color(0.85f, 0.8f, 0.7f); // Sandy brown
+                case CardZone.Forest:
+                    return new Color(0.6f, 0.8f, 0.6f); // Forest green
+                case CardZone.Mountain:
+                    return new Color(0.7f, 0.7f, 0.9f); // Bluish
+                case CardZone.Beach:
+                    return new Color(0.9f, 0.85f, 0.7f); // Sandy yellow
+                default:
+                    return Color.white;
+            }
+        }
+    }
+}