Added License and publication texts

add.php

@@ -1,4 +1,9 @@
 <? 
+/**
+ * 
+ * File given while using the bookmarklet
+ * Output some `alert` js
+ */
 header("Content-type: text/javascript");
 header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
 header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date dans le passé