[5368] Corrected doxygen main page structure.

doc/devel/mainpage.dox

@@ -50,6 +50,7 @@
  * - @subpage hooksComponentDeveloperGuide
  * - @subpage hooksmgMaintenanceGuide
  * - @subpage libdhcp_user_chk
+ * - @subpage libdhcp_lease_cmds
  *
  * @section dhcpMaintenanceGuide DHCP Maintenance Guide
  * - @subpage dhcp4

src/hooks/dhcp/lease_cmds/lease_cmds.dox

@@ -6,7 +6,9 @@
 
 /**
 
-@mainpage Kea Lease Commands Hooks Library
+@page libdhcp_lease_cmds Kea Lease Commands Hooks Library
+
+@section libdhcp_lease_cmdsIntro Introduction
 
 Welcome to Kea Lease Commands Hooks Library. This documentation is addressed to
 developers who are interested in the internal operation of the Lease Commands