addition to meta-lists (EbookFoundation#2948)

Author: Alexey Gorelov

free-programming-books.md

@@ -223,6 +223,7 @@
 * [conceptf1.blogspot.com](http://conceptf1.blogspot.com/2013/11/list-of-freely-available-programming.html)
 * [Free Smalltalk Books, collected by Stéphane Ducasse](http://stephane.ducasse.free.fr/FreeBooks.html)
 * [Free Tech Books](http://www.freetechbooks.com)
+* [Goalkicker](https://goalkicker.com) - Programming Notes for Professionals books
 * [IBM Redbooks](http://www.redbooks.ibm.com)
 * [InfoQ Minibooks](http://www.infoq.com/minibooks/)
 * [InTech: Computer and Information Science](http://www.intechopen.com/subjects/computer-and-information-science)