fix DbSeeder Items in appSettings and enable Seeding items using Generics ...

Startup.cs

@@ -6,6 +6,7 @@ using IdentityModel.AspNetCore.OAuth2Introspection;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -103,9 +104,24 @@ namespace xApi
                     x.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
                 });
 
-            // //
-            // // Check Data Service ...
-            // var dataServiceConfig = Configuration.GetXDataServiceConfiguration();
+            //
+            // Custom ...
+
+            //
+            services.Configure<IISServerOptions>(options =>
+            {
+                options.AllowSynchronousIO = true;
+            });
+
+            //
+            services.Configure<KestrelServerOptions>(options =>
+            {
+                options.AllowSynchronousIO = true;
+            });
+
+            //
+            // Check Data Service ...
+            var dataServiceConfig = Configuration.GetXDataServiceConfiguration();
 
             //
             // Check DataBase Registration ...
@@ -165,8 +181,10 @@ namespace xApi
 
             //
             // Use xDataService Middleware ...
-            // TODO: Fix this ...
-            // app.UseXDatabase(apiDatabaseDescriptor);
+            app.UseXDatabase(
+                descriptor: apiDatabaseDescriptor,
+                isDevelopmentEnvironment: env.IsDevelopment()
+            );
 
             //
             // Using Services ...