Add assets

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

@@ -0,0 +1,10 @@
+using System;
+
+namespace Cainos.LucidEditor
+{
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Method | AttributeTargets.Property)]
+    public class FoldoutGroupAttribute : PropertyGroupAttribute
+    {
+        public FoldoutGroupAttribute(string groupName) : base(groupName) { }
+    }
+}