Create a message item to place in a dropdown message menu

messageItem(from, message, icon = shiny::icon("user"), time = NULL,
  href = NULL)

Arguments

from	Who the message is from.
message	Text of the message.
icon	An icon tag, created by `icon`.
time	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.
href	An optional URL to link to.