private async void BtnPost_Clicked(System.Object sender, System.EventArgs e)
        {
            var post = new Post();

            post.DishName     = Dish.Text;
            post.preparedBy   = Name.Text;
            post.Instructions = Instructions.Text;
            post.Ingredients  = Ingredients.Text;

            var response = await ApiService.AddPost(post);

            if (response == null)
            {
                return;
            }
            var dishId = response.id;

            await Navigation.PushAsync(new AddImagePage(dishId));
        }