Add assets

Assets/Cainos/Third Party/Lucid Editor/Runtime/Attributes/AssetsOnlyAttribute.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Cainos.LucidEditor
+{
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]
+    public class AssetsOnlyAttribute : Attribute
+    {
+        public AssetsOnlyAttribute()
+        {
+        }
+    }
+}