create layout

Apollon.WPF/ViewModels/LayoutViewModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.ViewModels
+{
+    public class LayoutViewModel : ViewModelBase
+    {
+        public LayoutViewModel(NavBarPreparationViewModel navBarPreparationViewModel, ViewModelBase contentVieModel)
+        {
+            NavBarPreparationViewModel = navBarPreparationViewModel;
+            ContentVieModel = contentVieModel;
+        }
+
+        public NavBarPreparationViewModel NavBarPreparationViewModel { get;}
+        public ViewModelBase ContentVieModel { get;}
+    }
+}