internal static void Configure()
        {
            Dictionary <string, string[]> locations = new Dictionary <string, string[]>();

            using (WebClient webClient = new WebClient())
            {
                string jsonString = webClient.DownloadString("https://raw.githubusercontent.com/David-Haim/CountriesToCitiesJSON/master/countriesToCities.json");
                locations = JsonConvert.DeserializeObject <Dictionary <string, string[]> >(jsonString);
            }

            CountriesService countriesService = new CountriesService();
            List <Country>   countries        = new List <Country>();

            foreach (var item in locations)
            {
                Country country = new Country();
                country.Name = item.Key;
                countries.Add(country);
            }

            countriesService.InsertCollection(countries);

            List <Country> allCountries = countriesService.GetAll();
            List <City>    cities       = new List <City>();

            foreach (var item in locations)
            {
                foreach (Country c in allCountries)
                {
                    if (c.Name == item.Key)
                    {
                        cities.AddRange(item.Value.Select(city => new City()
                        {
                            Name = city, CountryID = c.ID
                        }));
                    }
                }
            }

            CitiesService citieService = new CitiesService();

            citieService.InsertCollection(cities);
        }