Wrap FluentAvalonia controls within same named classes allowing us to declare the xmlns namespace in our assembly

Framework/Avalonia/Extensions/MarkupExtensions.cs

@@ -0,0 +1,17 @@
+using Avalonia.Data;
+
+namespace Toolkit.Foundation.Avalonia
+{
+    public static class MarkupExtensions
+    {
+        public static Binding? ToBinding(this object value)
+        {
+            if (value is Binding)
+            {
+                return value as Binding;
+            }
+
+            return new Binding { Mode = BindingMode.OneWay, Source = value };
+        }
+    }
+}