Add stub with version panel is autolaunched and summary.

source/5/5.1/lxqt-panel.rst

@@ -0,0 +1,11 @@
+Chapter 5.1 LXQt Panel
+======================
+LXQt panel is the panel shipped with Lubuntu and has a menu, a worksspace switcher, a taskbar for listing all of your default programs, a system tray containing applets and a clock. 
+
+Version
+-------
+Lubuntu ships with version 0.13.0 of lxqt-panel.
+
+How to launch
+-------------
+lxqt-panel should auto launch by default. If you need to manually start it for some reason run lxqt-panel from the command line

source/5/Panel_Desktop_and_Runner.rst

@@ -5,4 +5,5 @@ Chapter 5 Panel Desktop and Runner
   :maxdepth: 2
   :titlesonly:
 
+  5.1/lxqt-panel
   5.3/lxqt-runner