added learneroo meta-resource

free-programming-books.md

@@ -194,6 +194,7 @@
 * [InfoQ Minibooks](http://www.infoq.com/minibooks/)
 * [InTech: Computer and Information Science](http://www.intechopen.com/subjects/computer-and-information-science)
 * [JSBooks - directory of free javascript ebooks](https://github.com/revolunet/JSbooks)
+* [Learneroo Resources to Learn Programming](https://www.learneroo.com/modules/12/nodes/96)
 * [Learn X in Y minutes](http://learnxinyminutes.com/)
 * [Microsoft Press: Free E-Books](http://blogs.msdn.com/b/microsoft_press/archive/2011/03/03/ebooks-list-of-our-free-books.aspx)
 * [Microsoft Technologies 1, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, Office365, etc. collection by Eric Ligman](http://blogs.msdn.com/b/mssmallbiz/archive/2012/07/27/large-collection-of-free-microsoft-ebooks-for-you-including-sharepoint-visual-studio-windows-phone-windows-8-office-365-office-2010-sql-server-2012-azure-and-more.aspx)