private void OnItemSelected (object sender, ItemTappedEventArgs e)
		{
			var person = e.Item as Person;
			var selectedEmployee = new EmployeeView {
				BindingContext = new PersonViewModel (person, favoritesRepository)
			};

			Navigation.PushAsync (selectedEmployee);
		}
		private void OnItemSelected (object sender, SelectedItemChangedEventArgs e)
		{
			var person = e.SelectedItem as Person;
			var employeeView = new EmployeeView {
				BindingContext = new PersonViewModel (person, favoritesRepository)
			};
					
			Navigation.PushAsync (employeeView);
		}