Added .Wait() call to Admin Startup.cs

This enhances the reliability of the call to ProductDatabaseInitializer.Configure() method as brought up in Issue #47

.gitignore

@@ -286,3 +286,6 @@ __pycache__/
 *.btm.cs
 *.odx.cs
 *.xsd.cs
+Hands-on lab/.DS_Store
+Hands-on lab/Lab-files/.DS_Store
+.DS_Store

Hands-on lab/Lab-files/Modern Cloud Apps Student Files Clean/Contoso Sports League/Contoso.Apps.SportsLeague.Admin/Startup.cs

@@ -63,7 +63,7 @@ namespace Contoso.Apps.SportsLeague.Admin
             using (var serviceScope = app.ApplicationServices.CreateScope())
             {
                 var dbContext = serviceScope.ServiceProvider.GetService<ProductContext>();
-                ProductDatabaseInitializer.Configure(dbContext);
+                ProductDatabaseInitializer.Configure(dbContext).Wait();
             }
         }
     }