more animation work

Hyperbar.Windows/Views/WidgetView.xaml

@@ -10,5 +10,10 @@
                 <StackPanel Orientation="Horizontal" Spacing="8" />
             </ItemsPanelTemplate>
         </ItemsControl.ItemsPanel>
+        <ItemsControl.ItemContainerTransitions>
+            <TransitionCollection>
+                <AddDeleteThemeTransition />
+            </TransitionCollection>
+        </ItemsControl.ItemContainerTransitions>
     </ItemsControl>
 </UserControl>

Hyperbar/Views/Created.cs

@@ -7,10 +7,3 @@ public record Created<TValue>(TValue Value, object Target) : INotification
         return new Created<TValue>(value, typeof(TTarget).Name);
     }
 }
-public record Inserted<TValue>(int Index, TValue Value, object Target) : INotification
-{
-    public static Inserted<TValue> For<TTarget>(int index, TValue value)
-    {
-        return new Inserted<TValue>(index, value, typeof(TTarget).Name);
-    }
-}

Hyperbar/Views/Inserted.cs

@@ -0,0 +1,9 @@
+namespace Hyperbar;
+
+public record Inserted<TValue>(int Index, TValue Value, object Target) : INotification
+{
+    public static Inserted<TValue> For<TTarget>(int index, TValue value)
+    {
+        return new Inserted<TValue>(index, value, typeof(TTarget).Name);
+    }
+}