public IActionResult Index(string Searchtext)
        {
            if(Searchtext == null)
            {
                ViewBag.Title = "Movies";
                var movies = (from m in FakeDatabase.Movies
                                select new MovieViewModel
                                {
                                    Id = m.Id,
                                    Title = m.Title,
                                    Genre = m.Genre,
                                    Rating = m.Rating
                                }).ToList();

                return View(movies);
            }
            else
            {
                ViewBag.Title = "Movies";
                var filteredMovies = (from m in FakeDatabase.Movies
                                where m.Title.ToLower().Contains(Searchtext.ToLower())
                                select new MovieViewModel
                                {
                                    Id = m.Id,
                                    Title = m.Title,
                                    Genre = m.Genre,
                                    Rating = m.Rating
                                }).ToList();

                return View(filteredMovies.ToList());
            }
        }