added scrutinizer badge in README

README.rst

@@ -1,6 +1,6 @@
-|pypi| |license| |coverage| |master_build|
+|pypi| |license| |coverage| |scru| |master_build|
 
-Module for interacting with various Steam_ features. Install with `pip install steam`.
+Module for interacting with various Steam_ features. Install with ``pip install steam``.
 
 WebAPI
 ------
@@ -122,6 +122,10 @@ SteamID
     :target: https://coveralls.io/r/ValvePython/steam?branch=master
     :alt: Test coverage
 
+.. |scru| image:: https://scrutinizer-ci.com/g/ValvePython/steam/badges/quality-score.png?b=master
+    :target: https://scrutinizer-ci.com/g/ValvePython/steam/?branch=master
+    :alt: Scrutinizer score
+
 .. |master_build| image:: https://img.shields.io/travis/ValvePython/steam/master.svg?style=flat&label=master
     :target: http://travis-ci.org/ValvePython/steam
     :alt: Build status of master branch