Update AUTHORS and CHANGES.html

AUTHORS

@@ -150,6 +150,7 @@ Michael Nowatkowski (nowatkom@gmail.com)
 Anh Nguyen (annguyen@ittc.ku.edu)
 Duy Nguyen (duy@soe.ucsc.edu)
 Luis Pacheco (luisbelem@gmail.com)
+Jendaipou Palmei (jendaipoupalmei@gmail.com)
 Lluís Parcerisa (parcerisa@gmail.com)
 Mingyu Park (darkpmg@naver.com)
 Natale Patriciello (natale.patriciello@gmail.com)

CHANGES.html

@@ -67,6 +67,7 @@ us a note on ns-developers mailing list.</p>
 <li>Added a new helper method to WifiPhyHelper to disable the preamble detection model.</li>
 <li>Added a method to ObjectFactory to check whether a TypeId has been configured on the factory.</li>
 <li>Added a new helper method to WifiHelper to set the 802.11ax OBSS PD spatial reuse algorithm.</li>
+<li>Added the Cobalt queuing discipline.</li>
 </ul>
 </ul>
 <h2>Changes to existing API:</h2>