Remove a list's default styling (.list-unstyled) or lay items out inline
(.list-inline). Each unnamed ... argument becomes one <li>; named
arguments become attributes of the <ul>.
Examples
bs_list_unstyled("First", "Second", "Third")
#> <ul class="list-unstyled">
#> <li>First</li>
#> <li>Second</li>
#> <li>Third</li>
#> </ul>
bs_list_inline("One", "Two", "Three")
#> <ul class="list-inline">
#> <li class="list-inline-item">One</li>
#> <li class="list-inline-item">Two</li>
#> <li class="list-inline-item">Three</li>
#> </ul>