public async Task <IEnumerable <Bocker> > GetBooks()
        {
            var utf8  = Encoding.UTF8;
            var url   = "https://raw.githubusercontent.com/contribe/contribe/dev/arbetsprov-net/books.json";
            var books = BookSource._download_json <CListBooks>(url);
            var V     = books.books;

            foreach (var item in V)
            {
                byte[] bytes  = Encoding.Default.GetBytes(item.Title);
                string sTitle = Encoding.UTF8.GetString(bytes);
                Bocker b      = new Bocker
                {
                    Author  = item.Author,
                    InStock = item.InStock,
                    Price   = item.Price,
                    Title   = sTitle
                };
                lstBook.Add(b);
            }
            return(lstBook);
        }
        public async Task <IEnumerable <Bocker> > GetBook(string search)
        {
            var url   = "https://raw.githubusercontent.com/contribe/contribe/dev/arbetsprov-net/books.json";
            var books = BookSource._download_json <CListBooks>(url);
            var V     = books.books;

            foreach (var item in V)
            {
                Bocker b = new Bocker
                {
                    Author  = item.Author,
                    InStock = item.InStock,
                    Price   = item.Price,
                    Title   = item.Title
                };
                lstBook.Add(b);
            }
            //Nu söker vi
            var F = lstBook.FindAll(c => (c.Author == search) || (c.Title == search));

            return(F);
        }