Update README.rst
fix logo
@@ -11,7 +11,7 @@ OCTIS
:target: https://octis.readthedocs.io/en/latest/?badge=latest
:alt: Documentation Status
-.. image:: https://github.com/MIND-Lab/OCTIS/blob/master/logo.png
+.. image:: https://github.com/MIND-Lab/OCTIS/blob/master/logo.png?raw=true
:width: 100
:alt: Logo
