补全 UI 设计

- `ItemDescForm` 道具详细信息面板，目前还未添加 DescText 内容的赋值
- `RepoForm` 道具入槽逻辑调整，为了适应 `ItemDescForm` 的点击打开逻辑，点击道具自动匹配槽位改成拖动道具到相应槽位
- 添加了一系列图片素材

Assets/GameMain/Scripts/Base/GameEntry.Custom.cs

@@ -21,6 +21,8 @@ public partial class GameEntry
     public static ShopNodeComponent ShopNode { get; private set; }
 
     public static ResolutionAdapterComponent ResolutionAdapter { get; private set; }
+    
+    public static SpriteCacheComponent SpriteCache { get; private set; }
 
     private static void InitCustomComponents()
     {
@@ -32,5 +34,6 @@ public partial class GameEntry
         CombatNode = UnityGameFramework.Runtime.GameEntry.GetComponent<CombatNodeComponent>();
         ShopNode = UnityGameFramework.Runtime.GameEntry.GetComponent<ShopNodeComponent>();
         ResolutionAdapter = UnityGameFramework.Runtime.GameEntry.GetComponent<ResolutionAdapterComponent>();
+        SpriteCache = UnityGameFramework.Runtime.GameEntry.GetComponent<SpriteCacheComponent>();
     }
 }