Update provision.rst

source/applications/provision.rst

@@ -13,6 +13,7 @@ Auto provisioning is disabled by default. This is to give a chance to secure pro
 *  `Cisco <http://docs.fusionpbx.com/en/latest/applications/provision/provision_auto_cisco.html>`_
 *  `Fanvil <http://docs.fusionpbx.com/en/latest/applications/provision/provision_auto_fanvil.html>`_
 *  `Grandstream <http://docs.fusionpbx.com/en/latest/applications/provision/provision_auto_grandstream.html>`_
+*  `Htek <http://docs.fusionpbx.com/en/latest/applications/provision/provision_auto_htek.html>`_
 *  `Zoiper <http://docs.fusionpbx.com/en/latest/applications/provision/provision_auto_zoiper.html>`_