Update ml_introduction.ipynb

notebooks/0_Prerequisite/ml_introduction.ipynb

@@ -18,6 +18,7 @@
     "## Deep Learning & Neural Networks\n",
     "\n",
     "- [An Introduction to Neural Networks](http://www.cs.stir.ac.uk/~lss/NNIntro/InvSlides.html)\n",
+    "- [An Introduction to Image Recognition with Deep Learning](https://medium.com/@ageitgey/machine-learning-is-fun-part-3-deep-learning-and-convolutional-neural-networks-f40359318721)\n",
     "- [Neural Networks and Deep Learning](http://neuralnetworksanddeeplearning.com/index.html)\n",
     "\n"
    ]