maint: added livewatch asset

Assets/Plugins/LiveWatchLite/Scripts/WatchVariable/WatchVariable.cs

@@ -0,0 +1,31 @@
+using System;
+using UnityEngine;
+
+namespace Ingvar.LiveWatch
+{
+    [Serializable]
+    public class WatchVariable : ISerializationCallbackReceiver
+    {
+        public string Name;
+        public WatchValueList Values = new ();
+        [SerializeReference] public WatchVariable Parent;
+        [SerializeReference] public WatchStorage Childs = new ();
+        public VariableEditorMeta EditorMeta = new ();
+        public VariableRuntimeMeta RuntimeMeta = new ();
+        public bool HasChilds => Childs.Count > 0;
+        public bool HasValues => Values.Count > 0;
+        
+        public void OnBeforeSerialize()
+        {
+            
+        }
+
+        public void OnAfterDeserialize()
+        {
+            foreach (var child in Childs.Items.Values)
+            {
+                child.Parent = this;
+            }
+        }
+    }
+}