Update README.md

updating the fontawesome (icon) link & adding more information.

Author: MelSumner

README.md

@@ -35,6 +35,6 @@ For more information on using ember-cli, visit [https://ember-cli.com/](https://
 
 * Each component must have the component name attached to the component as a CSS class.
 * It may feel as though there is duplicated code throughout these components; during the WIP process, we are favoring duplication over abstraction. 
-* Font icons through ember-font-awesome
+* Font icons through [ember-fontawesome](https://fontawesome.com/how-to-use/on-the-web/using-with/ember) - it is supported by the font awesome team and they render to SVG. 
 * The `es-pagewrapper` component has a property to indicate if there will be a sidebar or not. There might be a better way to do this.
 * In this addon, the `section` element is used as a container and is intended to span the full width of the viewport.