Update README

Author: ncaptier

README.md

@@ -1,11 +1,12 @@
 # stabilized-ica
 
 <p align="center">
-    <img src="https://github.com/ncaptier/stabilized-ica/blob/feature_sklearn_api/docs/source/images/full_logo.png" width="400" height="400" />
+    <img src="https://github.com/ncaptier/stabilized-ica/blob/master/docs/source/images/full_logo.png" width="400" height="400" />
 </p>
 
 [![Documentation Status](https://readthedocs.org/projects/stabilized-ica/badge/?version=latest)](https://stabilized-ica.readthedocs.io/en/latest/?badge=latest) 
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) 
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 This repository proposes a python implementation for stabilized ICA decomposition algorithm. Most of the technical
 details can be found in the references [1], [2],[3], [4] and [5].