void Button_Clicked(object sender, System.EventArgs e)
        {
            Food elementalFood = new ElementalFood(ingredientEntry.Text);

            using (SQLiteConnection conn = new SQLiteConnection(App.FilePath))
            {
                conn.CreateTable <ElementalFood>();
                int rowsAdded = conn.Insert(elementalFood);
            }
        }
        private void AddNewElementalFood(string name)
        {
            foreach (ElementalFood e in elementalFoods)
            {
                if (e.Name == name)
                {
                    throw new ElementAlreadyExistException("elemental food with name \"" + name + "\" already exist");
                }
            }
            ElementalFood food = new ElementalFood(name);

            elementalFoods.Add(food);
        }