marechai/Marechai.App/Platforms/WebAssembly/Program.cs

using System.Threading.Tasks;
using Uno.UI.Hosting;

namespace Marechai.App;

public class Program
{
    public static async Task Main(string[] args)
    {
        var host = UnoPlatformHostBuilder.Create()
        .App(() => new App())
        .UseWebAssembly()
        .Build();

        await host.RunAsync();
    }
}