Update README.md

Author: brunolm

README.md

@@ -8,6 +8,7 @@ Each Pull Request will contain explanation and steps taken to complete a feature
 
 - [Create a new Angular project](https://github.com/brunolm/angular-how-to/pull/1)
 - [Upgrade from Angular 4 to Angular 5](https://github.com/brunolm/angular-how-to/pull/6)
+- [Upgrade @angular-cli](https://github.com/brunolm/angular-how-to/pull/8)
 
 ## Testing