docs: update architecture

src/Example/Program.cs

@@ -1,22 +1,21 @@
-using System;
+using System;
 using Avalonia;
 
-namespace Example
-{
-    internal class Program
-    {
-        // Initialization code. Don't use any Avalonia, third-party APIs or any
-        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
-        // yet and stuff might break.
-        [STAThread]
-        public static void Main(string[] args) => BuildAvaloniaApp()
-            .StartWithClassicDesktopLifetime(args);
+namespace Example;
 
-        // Avalonia configuration, don't remove; also used by visual designer.
-        public static AppBuilder BuildAvaloniaApp()
-            => AppBuilder.Configure<App>()
-                .UsePlatformDetect()
-                .WithInterFont()
-                .LogToTrace();
-    }
+internal class Program
+{
+    // Initialization code. Don't use any Avalonia, third-party APIs or any
+    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+    // yet and stuff might break.
+    [STAThread]
+    public static void Main(string[] args) => BuildAvaloniaApp()
+        .StartWithClassicDesktopLifetime(args);
+
+    // Avalonia configuration, don't remove; also used by visual designer.
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
 }

src/Penguin.AvaloniaUI/Penguin.AvaloniaUI.csproj

@@ -6,4 +6,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.3.7" />
+    <PackageReference Include="ReactiveUI.Avalonia" Version="11.3.0" />
+  </ItemGroup>
+
 </Project>