Add entry for profile list property

[connman] / doc / connman-introduction.xml

<?xml version="1.0"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
               "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">

<chapter id="introduction">
  <title>Introduction</title>
  
  <sect1 id="intro-about">
    <title>About</title>
    
    <para>
    </para>
  </sect1>

</chapter>