Add project files.

Framework/Avalonia/Routing/RouteDescriptor.cs

@@ -0,0 +1,14 @@
+namespace TheXamlGuy.Framework.Avalonia;
+
+public record RouteDescriptor : IRouteDescriptor
+{
+    public RouteDescriptor(string name, object route)
+    {
+        Name = name;
+        Route = route;
+    }
+
+    public string Name { get; }
+
+    public object Route { get; }
+}