Update HA 16 config (#180)

Author: tahliar

config.xml

@@ -114,7 +114,8 @@
   <doc cat="sles16"  doc="HA-introduction" branches="main">Introduction to SUSE Linux Enterprise High Availability</doc>
   <doc cat="sles16"  doc="HA-qdevice-configuring" branches="main">Configuring QDevice and QNetd in an Existing High Availability Cluster</doc>
   <doc cat="sles16"  doc="HA-sbd-configuring-diskbased" branches="main">Configuring Disk-Based SBD in an Existing High Availability Cluster</doc>
-  <doc cat="sles16"  doc="HA-sbd-changing-configuration" branches="main">Changing the Configuration of SBD</doc> 
+  <doc cat="sles16"  doc="HA-sbd-changing-configuration" branches="main">Changing the Configuration of SBD</doc>
+  <doc cat="sles16"  doc="HA-fencing-configuring" branches="main">Configuring Node Fencing in a High Availability Cluster</doc>
   <doc cat="sles16"  doc="SLE-differences-faq" branches="main">Differences between SLE 15 and SLE 16 FAQ</doc>
   <doc cat="sles16"  doc="SLES-gnome-remote-desktop" branches="main">Configuring a remote desktop</doc>
   <doc cat="sles16"  doc="SLES-vm-host-network-multihome-setup" branches="main">Configuring Multihome Networking on VM Hosts</doc>