Improve SidePane documentation.
Improve SidePane documentation.

brunano21/deliteful,kitsonk/deliteful,harbalk/deliteful,EAlexRojas/deliteful,brunano21/deliteful,EAlexRojas/deliteful,cjolif/deliteful,tkrugg/deliteful,kitsonk/deliteful,harbalk/deliteful,tkrugg/deliteful,cjolif/deliteful