Make it run

src/PixiEditorPrototype/MainWindow.xaml

@@ -8,7 +8,6 @@
         mc:Ignorable="d"
         Title="MainWindow" Height="450" Width="800">
     <DockPanel>
-        <Button DockPanel.Dock="Top">Create a new document</Button>
         <views:DocumentView DataContext="{Binding Document}"></views:DocumentView>
     </DockPanel>
 </Window>

src/PixiEditorPrototype/ViewModels/DocumentViewModel.cs

@@ -3,7 +3,6 @@ using ChangeableDocument.Actions;
 using PixiEditorPrototype.Models;
 using System.ComponentModel;
 using System.Windows;
-using System.Windows.Media.Imaging;
 
 namespace PixiEditorPrototype.ViewModels
 {
@@ -27,9 +26,6 @@ namespace PixiEditorPrototype.ViewModels
         public RelayCommand? DeleteStructureMemberCommand { get; }
         public RelayCommand? ChangeSelectedItemCommand { get; }
 
-        public WriteableBitmap FinalBitmap
-        {
-        }
 
         public DocumentViewModel()
         {

src/StructureRenderer/Renderer.cs

@@ -13,7 +13,7 @@ namespace StructureRenderer
 
         public async Task<List<IChangeInfo>> ProcessChanges(IReadOnlyList<IChangeInfo> changes)
         {
-
+            throw new NotImplementedException();
         }
     }
 }