public static void PopulateGengers(this LitDbContext db)
{
db.InsertGenger(1, "Literary novel");
db.InsertGenger(2, "Literary story");
db.InsertGenger(3, "Literary essay");
db.InsertGenger(4, "Literary poem");
db.InsertGenger(5, "Literary short story");
db.InsertGenger(6, "Literary play");
}