增加A2WToolBox工具集，增加Launch场景核LaunchPanel

Assets/A2WToolBox/3rd/NaughtyAttributes/Scripts/Editor/Utility/SavedBool.cs

@@ -0,0 +1,34 @@
+using UnityEditor;
+
+namespace NaughtyAttributes.Editor
+{
+    internal class SavedBool
+    {
+        private bool _value;
+        private string _name;
+
+        public bool Value
+        {
+            get
+            {
+                return _value;
+            }
+            set
+            {
+                if (_value == value)
+                {
+                    return;
+                }
+
+                _value = value;
+                EditorPrefs.SetBool(_name, value);
+            }
+        }
+
+        public SavedBool(string name, bool value)
+        {
+            _name = name;
+            _value = EditorPrefs.GetBool(name, value);
+        }
+    }
+}