public IActionResult Put(int id, WebApiLink apiLink)
        {
            var updatedLink = (Link)apiLink;

            updatedLink.Id = id;
            _context.Entry(updatedLink).State = EntityState.Modified;
            _context.SaveChanges();

            return(Ok(new
            {
                action = "updated"
            }));
        }
        public IActionResult Post(WebApiLink apiLink)
        {
            var newLink = (Link)apiLink;

            _context.Links.Add(newLink);
            _context.SaveChanges();

            return(Ok(new
            {
                tid = newLink.Id,
                action = "inserted"
            }));
        }