public async Task <IActionResult> Index()
{
var vm = new BarAndCoctailInListViewModel();
vm.ListOfBars = (await barServices.GetMostPopular(3)).Select(b => b.MapToViewModel()).ToList();
vm.ListOfCocktails = (await cocktailServices.GetMostPopular(4)).Select(c => c.MapToViewModel()).ToList();
return(View(vm));
}