README.md : Neural nets Doc

README.md

@@ -7,6 +7,11 @@ AI that can time automatically karas.
 - https://realpython.com/python-virtual-environments-a-primer/
 - https://www.pyimagesearch.com/2016/11/14/installing-keras-with-tensorflow-backend/
 
+An introduction to neural networks and deep learning : 
+
+- http://neuralnetworksanddeeplearning.com
+
+
 # Installation
 
 ## Python