Created the Avalonia MVVM template, split the CLI into Avalonia.UI and Avalonia.Core

AutumnLauncher.UI/ViewLocator.cs

@@ -0,0 +1,27 @@
+using System;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using AutumnLauncher.UI.ViewModels;
+
+namespace AutumnLauncher.UI;
+
+public class ViewLocator : IDataTemplate
+{
+    public Control Build(object data)
+    {
+        var name = data.GetType().FullName!.Replace("ViewModel", "View");
+        var type = Type.GetType(name);
+
+        if (type != null)
+        {
+            return (Control)Activator.CreateInstance(type)!;
+        }
+
+        return new TextBlock { Text = "Not Found: " + name };
+    }
+
+    public bool Match(object data)
+    {
+        return data is ViewModelBase;
+    }
+}