Toolbar: Toolbar Div

[elnelson575]

This will be a <div> that denotes its children components as parts of a toolbar.
It will take args:

toolbar <- function(..., align = c("right", "left"), size = c("sm", "md", "lg") {
  div(class = "bslib-toolbar", ..., `data-align` = align, `data-size` = size)
}

It will be designed to fit nicely in card headers and footers, as well as under cards with sensible defaults for the children to inherit.

Ex.