Add "Non-Uniform Random Variate Generation" (#2953)

* Add "Functional Programming, Simplified (Scala edition)" and "Hello, Scala"

* Add "Язык программирования Haskell: Учимся быть ленивыми"

* Add "Non-Uniform Random Variate Generation"

free-programming-books.md

@@ -458,6 +458,7 @@
 * [Linear Algebra by Jim Hefferon](http://joshua.smcvt.edu/linearalgebra) - Jim Hefferon
 * [Mathematical Logic - an Introduction](http://www.ii.uib.no/~michal/und/i227/book/book.pdf) (PDF)
 * [Mathematics, MTH101A](http://home.iitk.ac.in/~psraj/mth101/) - P. Shunmugaraj, IIT Kanpur
+* [Non-Uniform Random Variate Generation](http://luc.devroye.org/rnbookindex.html) - Luc Devroye (PDF)
 * [Number Theory](https://github.com/holdenlee/number-theory) - Holden Lee MIT
 * [OpenIntro Statistics](https://www.openintro.org/stat/textbook.php)
 * [Ordinary Differential Equations](https://en.wikibooks.org/wiki/Ordinary_Differential_Equations) - Wikibooks