Add CommonMark to engine list

resources.html

@@ -125,6 +125,7 @@
 <li>C
 <ul>
 <li><a href="https://github.com/vmg/sundown">Sundown</a> </li>
+<li><a href="https://github.com/jgm/CommonMark">CommonMark</a></li>
 </ul></li>
 <li>JavaScript
 <ul>
@@ -132,6 +133,7 @@
 <li><a href="https://code.google.com/p/pagedown/">pagedown</a>, StackOverflow</li>
 <li><a href="https://github.com/coreyti/showdown">coreyti/showdown</a></li>
 <li><a href="https://github.com/chjj/marked">marked</a></li>
+<li><a href="https://github.com/jgm/CommonMark">CommonMark</a></li>
 </ul></li>
 <li>PHP
 <ul>

resources.md

@@ -67,11 +67,13 @@ Logo
 ----
 * C
   * [Sundown](https://github.com/vmg/sundown) 
+  * [CommonMark](https://github.com/jgm/CommonMark)
 * JavaScript
   * [showdown](https://github.com/cky/wmd), not maintained any more
   * [pagedown](https://code.google.com/p/pagedown/), StackOverflow
   * [coreyti/showdown](https://github.com/coreyti/showdown)
   * [marked](https://github.com/chjj/marked)
+  * [CommonMark](https://github.com/jgm/CommonMark)
 * PHP
   * [PHP Markdown](http://michelf.ca/projects/php-markdown/)
 * Ruby

resources_content.html

@@ -101,6 +101,7 @@
 <li>C
 <ul>
 <li><a href="https://github.com/vmg/sundown">Sundown</a> </li>
+<li><a href="https://github.com/jgm/CommonMark">CommonMark</a></li>
 </ul></li>
 <li>JavaScript
 <ul>
@@ -108,6 +109,7 @@
 <li><a href="https://code.google.com/p/pagedown/">pagedown</a>, StackOverflow</li>
 <li><a href="https://github.com/coreyti/showdown">coreyti/showdown</a></li>
 <li><a href="https://github.com/chjj/marked">marked</a></li>
+<li><a href="https://github.com/jgm/CommonMark">CommonMark</a></li>
 </ul></li>
 <li>PHP
 <ul>