updated free-programming-books-az.md{added PHP,HTML,JavaScript source}

free-programming-books-az.md

 ###Index
 * [Linux](#Linux)
 * [C](#c)
+* [JavaScript](#javascript)
+* [HTML](#html)
+* [PHP](#php)
+
+
 
 ###Linux
 * [Linux](http://ilkaddimlar.com/Linux/Linux/18/Linux)
 
 ###C
-* [C Proqramlaşdırma Dilinə Giriş](http://ilkaddimlar.com/C-Proqramlasdirma-dili/428/Giris)
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+* [C Proqramlaşdırma Dilinə Giriş](http://ilkaddimlar.com/C-Proqramlasdirma-dili/428/Giris)
+
+###JavaScript
+* [JavaScript Garden](http://ilkaddimlar.com/JavaScript/182/Obyekt-anlayisi)
+
+###HTML
+* [HTML](http://ilkaddimlar.com/HTML/36/Esas-aletler-El-ile-islemeyi-oyrenirik)
+
+###PHP
+* [PHP](http://ilkaddimlar.com/PHP/PHP/17/PHP)
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