public void Initialize()
        {
            using (var db = new LibraryContext())
            {
                var statfil1 = new StatFillial()
                {
                    Id          = Guid.NewGuid(),
                    FillialStat = "Village"
                };
                db.StatFillial.Add(statfil1);
                var statfil2 = new StatFillial()
                {
                    Id          = Guid.NewGuid(),
                    FillialStat = "town"
                };
                db.StatFillial.Add(statfil2);
                var statfill3 = new StatFillial()
                {
                    Id          = Guid.NewGuid(),
                    FillialStat = "Magistery"
                };
                db.StatFillial.Add(statfill3);

                var fill1 = new Fillial()
                {
                    Id           = Guid.NewGuid(),
                    Number       = 1,
                    Name         = "Young",
                    Stat_Fillial = statfil1
                };
                db.Fillial.Add(fill1);

                var fill2 = new Fillial()
                {
                    Id           = Guid.NewGuid(),
                    Number       = 2,
                    Name         = "City",
                    Stat_Fillial = statfil1
                };
                db.Fillial.Add(fill2);
                var fill3 = new Fillial()
                {
                    Id           = Guid.NewGuid(),
                    Number       = 3,
                    Name         = "Students",
                    Stat_Fillial = statfil1
                };
                db.Fillial.Add(fill3);
                var adr = new Adress()
                {
                    Id           = Guid.NewGuid(),
                    City         = "Zhytomyr",
                    Street       = "Kyivs'ka",
                    Fillal       = fill1,
                    House_number = "1"
                };
                db.Adresses.Add(adr);
                var reader = new Reader()
                {
                    Id      = Guid.NewGuid(),
                    Name    = "Bogdan",
                    Surname = "Madelyk",
                    Adress  = adr
                };
                db.Readers.Add(reader);
                var category1 = new Category()
                {
                    Id           = Guid.NewGuid(),
                    CategoryName = "Tales",
                    Description  = "Tales for kids"
                };
                db.Categorys.Add(category1);
                var author = new Author()
                {
                    Id      = Guid.NewGuid(),
                    Name    = "Belyaev",
                    Surname = "Ivan"
                };
                db.Authors.Add(author);
                var book = new Book()
                {
                    Id       = Guid.NewGuid(),
                    Author   = author,
                    Category = category1,
                    Name     = "Man-Amfibian",
                    Count    = 3
                };
                db.Books.Add(book);
                var pennystat1 = new PennyStat()
                {
                    Id            = Guid.NewGuid(),
                    Status        = "5 days",
                    Count_Day_Min = 1,
                    Count_Day_Max = 5,
                };
                db.PennyStat.Add(pennystat1);
                var pennystat2 = new PennyStat()
                {
                    Id            = Guid.NewGuid(),
                    Status        = "20 days",
                    Count_Day_Min = 6,
                    Count_Day_Max = 20,
                };
                db.PennyStat.Add(pennystat2);
                var pennystat3 = new PennyStat()
                {
                    Id            = Guid.NewGuid(),
                    Status        = "50 days",
                    Count_Day_Min = 21,
                    Count_Day_Max = 50,
                };
                db.PennyStat.Add(pennystat3);
                var pennystat0 = new PennyStat()
                {
                    Id            = Guid.NewGuid(),
                    Status        = "Reading",
                    Count_Day_Min = 0,
                };
                db.PennyStat.Add(pennystat0);

                var penny0 = new Penny()
                {
                    Id        = Guid.NewGuid(),
                    pennyStat = pennystat0,
                    Price     = 0
                };
                db.Penny.Add(penny0);
                var cart = new Cart()
                {
                    Id            = Guid.NewGuid(),
                    Book          = book,
                    Reader        = reader,
                    Start_reading = DateTime.Now,
                    penny         = penny0,
                    Status        = "Reading"
                };
                db.Carts.Add(cart);
                db.SaveChanges();
            }
        }