update hello world instructions to make it clearer to skip manual instructions with a NuGet install

Author: mythz

src/ServiceStack.Hello/default.htm

@@ -220,8 +220,17 @@ <h3>
         </p>
     </div>
 
+    <h3>Completing the NuGet Installation</h3>
     <p>
-        Once installed, you can explore ServiceStack features at <a href="#view-webservice">Viewing your Web Service</a>.
+        The NuGet package provides an AppHost template in your project at <b>App_Start\AppHost.cs</b> and some <b>App_Start\WebServiceExamples.cs</b> to get you started.
+    </p>
+
+    <p>
+        After looking at the <b>README.txt</b> - <b>Skip the Manual Installation instructions below</b> and start exploring ServiceStack features at: 
+    </p>
+
+    <p>
+        <h3><a href="#view-webservice">Viewing your Web Service &gt;&gt;</a></h3>    
     </p>
 
     <a name="manual"></a>