Added Persian Eloquent JavaScript (#4992)

* Added Persian Eloquent JS

Added the Persian translation of the Eloquent JS book

* Sorry, removed trailing slash

free-programming-books-fa_IR.md

@@ -26,6 +26,7 @@
 ### JavaScript
 
 * [یادگیری اصولی جاواسکریپت](https://github.com/Mariotek/BetterUnderstandingOfJavascript)
+* مارین هاوربک -  [جاوااسکریپت شیوا](http://eloquentjs.ir) (HTML)
 
 
 ### LaTeX