subcategorized Python and added machine learning

Author: tuvtran

README.md

@@ -162,14 +162,17 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
   * [Part 1](https://khashtamov.com/en/how-to-create-a-telegram-bot-using-python/)
   * [Part 2](https://khashtamov.com/en/how-to-deploy-telegram-bot-django/)
 
+### Machine Learning:
+
+* [Using Convolutional Neural Nets to Detect Facial Keypoints](http://danielnouri.org/notes/2014/12/17/using-convolutional-neural-nets-to-detect-facial-keypoints-tutorial/)
+* [Generate an Average Face using Python and OpenCV](https://www.learnopencv.com/average-face-opencv-c-python-tutorial/)
+
 ### Miscellaneous:
 
 * [Build a Simple Interpreter](https://ruslanspivak.com/lsbasi-part1/)
 * [Write a NoSQL Database in Python](https://jeffknupp.com/blog/2014/09/01/what-is-a-nosql-database-learn-by-writing-one-in-python/)
 * [Building a Gas Pump Scanner with OpenCV/Python/iOS](https://hackernoon.com/building-a-gas-pump-scanner-with-opencv-python-ios-116fe6c9ae8b)
 * [Build a Distributed Streaming System with Python and Kafka](https://scotch.io/tutorials/build-a-distributed-streaming-system-with-apache-kafka-and-python)
-* [Using Convolutional Neural Nets to Detect Facial Keypoints](http://danielnouri.org/notes/2014/12/17/using-convolutional-neural-nets-to-detect-facial-keypoints-tutorial/)
-* [Generate an Average Face using Python and OpenCV](https://www.learnopencv.com/average-face-opencv-c-python-tutorial/)
 
 ## Go: