// This method gets called by the runtime. Use this method to add services to the container.
 public void ConfigureServices(IServiceCollection services)
 {
     services.AddCors(options =>
     {
         options.AddPolicy("CorsPolicy",
                           builder => builder.AllowAnyOrigin()
                           .AllowAnyMethod()
                           .AllowAnyHeader()
                           .AllowCredentials());
     });
     ConfigureDbContext(services);
     ConfigureIdentity(services);
     ConfigureAuthentication(services);
     IoCContainer.ConfigureServices(services);
     services.AddMvc();
     // services.AddSignalR();
 }