add aria-label to action bar docs (#726)
add aria-label to action bar docs (#726)


Blackbaud-LukeJones/skyux,Blackbaud-StacyCarlos/skyux,Blackbaud-StacyCarlos/skyux,Blackbaud-LukeJones/skyux,Blackbaud-LukeJones/skyux,Blackbaud-StacyCarlos/skyux