public async Task <long> Post([FromBody] Item item)
        {
            using (TimeTrackingDBContext context = new TimeTrackingDBContext())
            {
                item.userId = 1;
                context.Items.Add(item);
                await context.SaveChangesAsync();

                return(item.id);
            }
            //Mapping
        }
        public async void Delete(int id)
        {
            using (TimeTrackingDBContext context = new TimeTrackingDBContext())
            {
                var item = await context.Items.SingleOrDefaultAsync(i => i.id == id);

                if (item != null)
                {
                    context.Items.Remove(item);
                    await context.SaveChangesAsync();
                }
            }
        }