updated output on npm start (Update Quick Start Guide output example ember-learn#2078)

Author: rayjsales

guides/release/getting-started/quick-start.md

@@ -56,9 +56,13 @@ npm start
 
 After a few seconds, you should see output that looks like this:
 
-```text
-Livereload server on http://localhost:7020
-Serving on http://localhost:4200/
+```shell
+> [email protected] start
+> ember serve
+
+building... 
+
+Build successful (9761ms) – Serving on http://localhost:4200/
 ```
 
 (To stop the server at any time, type Ctrl-C in your terminal.)