Move source code into "Source" folder

Source/LibationWinForms/grid/AsyncNotifyPropertyChanged.cs

@@ -0,0 +1,14 @@
+using Dinah.Core.Threading;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+
+namespace LibationWinForms
+{
+	public abstract class AsyncNotifyPropertyChanged : SynchronizeInvoker, INotifyPropertyChanged
+	{
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		public void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
+			=> this.UIThreadAsync(() => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)));
+	}
+}