Add Amaral Lab Northwestern NICO 101 course (#8025)

* Add Amaral Lab Northwestern NICO 101 course

* revise addition of Amaral Lab Northwestern NICO 101 course

courses/free-courses-en.md

@@ -426,6 +426,7 @@
 * [Introduction to Data Science in Python](https://www.coursera.org/learn/python-data-analysis) - Christopher Brooks (Coursera)
 * [MIT's Introduction to Computational Thinking and Data Science](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0002-introduction-to-computational-thinking-and-data-science-fall-2016/) - Eric Grimson, John Guttag, Ana Bell (MIT OpenCourseWare)
 * [More Data Mining with Weka MOOC](https://www.cs.waikato.ac.nz/ml/weka/mooc/moredataminingwithweka/)
+* [NICO 101 - Introduction to Programming for Big Data](https://github.com/amarallab/Amaral_Lab_Intro_to_Data_Science) - Luis Amaral, Helio Tejedor, Luiz Alves
 * [The Analytics Edge](https://www.edx.org/course/analytics-edge-mitx-15-071x-3)