Create a timeline item
timelineItem(..., icon = NULL, color = NULL, time = NULL, title = NULL,
border = TRUE, footer = NULL)
any element such as timeLineItemMedia ...
item icon such as "clock-o", "times", ...
item color: see here for a list of valid colors https://adminlte.io/themes/AdminLTE/pages/UI/general.html.
item date or time.
item title.
Whether to display a border between the header and the body. TRUE by default.
item footer if any.