Clarify licensing

A change was made to the <h2> header for the license applying to simple_blog itself to clarify what that license is for. The GPL is only attached to the code used to render the site and not the Markdown parser or menu CSS. These components are licensed MIT.

README.md

@@ -0,0 +1 @@
+# simple_blog

license/index.php

@@ -8,7 +8,7 @@ include_once ($_SERVER['DOCUMENT_ROOT'].'/common/menu.php');
 ?>
 <article>
 <p>A summery of all licenses that apply to this website.</p>
-<h2>Code License</h2>
+<h2>simple_blog License</h2>
 <font size="2">
    Copyright <?php echo(strftime("%Y")); ?> 20xd6<br>
    <br>