Create a timeline item
bs4TimelineItem(..., elevation = NULL, icon = NULL, status = NULL,
time = NULL, title = NULL, border = TRUE, footer = NULL)
Any element such as bs4TimelineItemMedia ...
Timeline elevation (numeric). NULL by default.
Item icon such as "clock-o", "times", ...
Item status: 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.