Thin wrapper around cat() to display vector elements on distinct lines when
rendering an R Markdown or Quarto document.
Examples
aut <- Plume$new(encyclopedists)
as_lines(aut$get_affiliations())
#> ^1^Université de Paris
#>
#> ^2^Lycée Louis-le-Grand
#>
#> ^3^Collège des Quatre-Nations