public static void AddHttpClient(this IServiceCollection services, IConfiguration configuration)
        {
            TemplateConfig templateConfig = configuration.GetSection(TemplateConfig.TEMPLATE).Get <TemplateConfig>();

            services.Configure <TemplateConfig>(configuration.GetSection(TemplateConfig.TEMPLATE));

            HttpRestClient <DefaultHttpClientConfiguration <string> > apiClient = HttpRestClientFactory.Create <string>(templateConfig.BaseUrl, 3);

            apiClient.AddDefaultHeader(HttpRequestHeaders.ContentType, ContentTypes.ApplicationJson);
            apiClient.AddDefaultHeader(HttpRequestHeaders.Accept, ContentTypes.ApplicationJson);
            apiClient.AddDefaultHeader("Ocp-Apim-Subscription-Key", templateConfig.SubscriptionKey);

            apiClient.AddDefaultHeader("x-api-key", templateConfig.ApiKey);

            services.AddSingleton(apiClient);
        }