Added a setting to change the size of the interface (#1136)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/Rust/SetInterfaceSizeRequest.cs

@@ -0,0 +1,9 @@
+using AIStudio.Settings.DataModel;
+
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Asks the runtime to show AI Studio in the sizes the user chose.
+/// </summary>
+/// <param name="Screens">What the user chose for the screens they set a size for, each screen once. Any other screen gets its default size.</param>
+public sealed record SetInterfaceSizeRequest(List<InterfaceScreenSize> Screens);