Corrige la suppression de paquets

src/isnd/Program.cs

@@ -14,12 +14,13 @@ namespace isnd
     {
         public static void Main(string[] args)
         {
-            BuildWebHost(args).Run();
+            var builder = CreateBuilder(args);
+            builder.Build().Run();
         }
 
-        public static IWebHost BuildWebHost(string[] args) =>
+        public static IWebHostBuilder CreateBuilder(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
                 .UseStartup<Startup>()
-                .Build();
+                ;
     }
 }