message: Add desc of keyboardIcon to icons section
diff: @@ -24,6 +24,7 @@ If you dont want to use icon font, or you are already use `material-ui-icons` yo
  * rightArrowIcon - arrow right for datepicker
  * dateRangeIcon - date tab icon for datetimepicker
  * timeIcon - time tab icon for datetimepicker
  +* keyboardIcon - icon for keyboard end adornmentic
  ### Usage
  Here is a quick example of how to use this package
  