public async Task <T> AddAsync(T entity)
        {
            await _dbContext.Set <T>().AddAsync(entity);

            await _dbContext.SaveChangesAsync();

            return(entity);
        }
        public static async Task SeedAsync(SupermarketContext supermarketContext)
        {
            if (!await supermarketContext.Skus.AnyAsync())
            {
                await supermarketContext.Skus.AddRangeAsync(GetPreconfiguredSkus());

                await supermarketContext.SaveChangesAsync();
            }
        }