Add Introduction to Autonomous Robots book to free-programming-books.md (#5017)

* Add Free and Open Machine Learning book to free-programming-books.md

* Add Resilient Web Design to free-programming-books.md

* Add Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics Book to free-programming-books.md

* Add Scientific Computing Book to free-programming-books.md

* Add Signal Computing: Digital Signals in the Software Domain Book to free-programming-books.md

* Add  Book to free-programming-books.md

* Add Introduction to Autonomous Robots book to free-programming-books.md

free-programming-books.md

@@ -361,6 +361,7 @@
 #### Artificial Intelligence
 
 * [Artificial Intelligence for Big Data](https://www.packtpub.com/free-ebooks/artificial-intelligence-big-data) - Anand Deshpande, Manish Kumar (Packt account *required*)
+* [Introduction to Autonomous Robots](https://github.com/correll/Introduction-to-Autonomous-Robots/releases) - Nikolaus Correll (PDF)
 * [The Quest for Artificial Intelligence: A History of Ideas and Achievements](http://ai.stanford.edu/~nilsson/QAI/qai.pdf) - Nils J. Nilsson (PDF)