Code structure cleanup.

Assets/Cryville/Crtr/UI/BrowserItem.cs

@@ -0,0 +1,13 @@
+using Cryville.Crtr.Browsing;
+using UnityEngine;
+
+namespace Cryville.Crtr.UI {
+	internal abstract class BrowserItem : MonoBehaviour {
+		public int? Id { get; private set; }
+		protected ResourceItemMeta meta;
+		internal virtual void Load(int id, ResourceItemMeta item) {
+			Id = id;
+			meta = item;
+		}
+	}
+}