public async System.Threading.Tasks.Task AddAlcoholAsync()
        {
            var alcohol = new AlcoholDrink
            {
                Name       = AddName,
                Price      = AddPrice,
                Alcohol    = AddAlcohol,
                Volume     = AddVolume,
                Restaurant = username
            };

            var response = await client.PostAsJsonAsync($"api/alcoholdrinks", alcohol);

            if (response.IsSuccessStatusCode)
            {
                Alcohols.Add(alcohol);
            }
        }