Added notes about composer serve in README.md

Author: michalbundyra

README.md

@@ -21,11 +21,15 @@ $ composer create-project -sdev zendframework/skeleton-application path/to/insta
 Once installed, you can test it out immediately using PHP's built-in web server:
 
 ```bash
+$ cd path/to/install
 $ php -S 0.0.0.0:8080 -t public/ public/index.php
+# OR use the composer alias:
+$ composer serve
 ```
 
 This will start the cli-server on port 8080, and bind it to all network
-interfaces.
+interfaces. You can then visit the site at http://localhost:8080/
+- which will bring up Zend Framework welcome page.
 
 **Note:** The built-in CLI server is *for development only*.