Update the location of Auto-Generated (#108)

The Windows Forms Generators had misplaced tags

Author: ChrisPulman

src/ReactiveUI.SourceGenerators/RoutedControlHost/RoutedControlHostGenerator.Execute.cs

@@ -88,17 +88,18 @@ private static string GetRoutedControlHost(string containingTypeName, string con
 
         return
 $$"""
+// <auto-generated/>
 // Copyright (c) {{DateTime.Now.Year}} .NET Foundation and Contributors. All rights reserved.
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for full license information.
+
 using ReactiveUI;
 using System.ComponentModel;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Windows.Forms;
 
-// <auto-generated/>
 #pragma warning disable
 #nullable enable
 namespace {{containingNamespace}}

src/ReactiveUI.SourceGenerators/ViewModelControlHost/ViewModelControlHostGenerator.Execute.cs

@@ -81,17 +81,18 @@ private static string GetViewModelControlHost(string containingTypeName, string
 
         return
 $$"""
+// <auto-generated/>
 // Copyright (c) {{DateTime.Now.Year}} .NET Foundation and Contributors. All rights reserved.
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for full license information.
+
 using ReactiveUI;
 using System.ComponentModel;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Windows.Forms;
 
-// <auto-generated/>
 #pragma warning disable
 #nullable enable
 namespace {{containingNamespace}}