Update readme.

Author: fsbraun

README.rst

@@ -35,6 +35,9 @@ Key features
 -  **Extensible** within the project and with separate project (e.g. a
    theme app)
 
+-  **Plugins are re-usable as UI compnents** anywhere in your project
+    (e.g. in a custom app) giving your whole project a more consistent
+    user experience.
 
 Description
 ===========
@@ -55,6 +58,10 @@ The link plugin has been rewritten to not only allow internal links to other
 CMS pages, but also to other django models such as, e.g., posts of
 `djangocms-blog <https://github.com/nephila/djangocms-blog>`_.
 
+The plugins are designed to be re-usable as UI components in your
+project, e.g. in a custom app, giving your whole project a more
+consistent user experience.
+
 Contributing
 ============
 
@@ -150,7 +157,7 @@ See readthedocs for the `documentation
 License
 =======
 
-See `LICENSE <https://github.com/django-cms/djangocms-frontend/blob/master/LICENSE>`_. 
+See `LICENSE <https://github.com/django-cms/djangocms-frontend/blob/master/LICENSE>`_.
 
 .. |pypi| image:: https://badge.fury.io/py/djangocms-frontend.svg
    :target: http://badge.fury.io/py/djangocms-frontend