add about ssh link to faq

capsulflask/templates/faq.html

@@ -23,6 +23,7 @@
      How do I log in?
      <p>ssh to the ip provided to you using the cyberian user.</p>
      <pre class='code'>$ ssh cyberian@1.2.3.4</pre>
+     <p>For more information, see <a href="/about-ssh">Understanding the Secure Shell Protocol (SSH)</a>.</p>
    </li>
    <li>
      How do I change to the root user?