Create a message item to place in a dropdown message menu
messageItem(from, message, icon = shiny::icon("user"), time = NULL,
href = NULL)Who the message is from.
Text of the message.
An icon tag, created by icon.
String representing the time the message was sent. Any string may be used. For example, it could be a relative date/time like "5 minutes", "today", or "12:30pm yesterday", or an absolute time, like "2014-12-01 13:45". If NULL, no time will be displayed.
An optional URL to link to.
dashboardHeader for example usage.
Other menu items: notificationItem,
taskItem