ProjektListView Added

SewerStammGen/HostBuilders/AddViewModelsHostBuilderExtensions.cs

@@ -6,6 +6,7 @@ using SewerStammGen.WPF.ViewModel.Factories;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Security;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -33,7 +34,10 @@ namespace SewerStammGen.HostBuilders
                     return () => new SewerConnectorViewModel();
                 });
 
-
+                services.AddSingleton<CreateViewModel<ProjektListViewModel>>(services =>
+                {
+                    return () => new ProjektListViewModel();
+                });
 
                 services.AddSingleton<IViewModelAbstractFactory, MainWindowViewModelFactory>();
             });