static void Main(string[] args)
        {
            // Get the connection string from the appsettings.json file
            IConfigurationBuilder builder = new ConfigurationBuilder()
                                            .SetBasePath(Directory.GetCurrentDirectory())
                                            .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);

            IConfigurationRoot configuration = builder.Build();

            string connectionString = configuration.GetConnectionString("campground-tiny");

            IParkDAO        parkDAO        = new ParkSqlDAO(connectionString);
            IReservationDAO reservationDAO = new ReservationSqlDAO(connectionString);
            ISiteDAO        siteDAO        = new SiteSqlDAO(connectionString);
            ICampgroundDAO  campgroundDAO  = new CampgroundSqlDAO(connectionString);


            MenuCLI newMenu = new MenuCLI(parkDAO, siteDAO, campgroundDAO, reservationDAO);
        }
        static void Main(string[] args)
        {
            // Get the connection string from the appsettings.json file
            IConfigurationBuilder builder = new ConfigurationBuilder()
                                            .SetBasePath(Directory.GetCurrentDirectory())
                                            .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);

            IConfigurationRoot configuration = builder.Build();

            string connectionString = configuration.GetConnectionString("Project");

            IParkSqlDAO        parkDAO        = new ParkSqlDAO(connectionString);
            ICampgroundSqlDAO  campgroundDAO  = new CampgroundSqlDAO(connectionString);
            ISiteSqlDAO        siteDAO        = new SiteSqlDAO(connectionString);
            IReservationSqlDAO reservationDAO = new ReservationSqlDAO(connectionString);

            MenuCLI projectCLI = new MenuCLI(parkDAO, campgroundDAO, siteDAO, reservationDAO); // objects that implement interfaces

            projectCLI.RunCLI();

            Console.ReadLine();
        }