private async void JokeButton_Clicked(object sender, EventArgs e)
{
var jokeGenerator = new JokeGernarator();
string joke = await jokeGenerator.GetRandomJoke();
JokeLabel.Text = joke;
}
protected async override void OnAppearing()
{
base.OnAppearing();
var jokeGen = new JokeGernarator();
Categories = await jokeGen.GetCatagories();
BindingContext = this;
}
