Added r-knitr
Added r-yaml
Added r-highr
Added r-evaluate
Added r-markdown
Added r-commonmark
Added r-xfun
Added r-rstudioapi
Added r-haven
Added r-readr
Added r-clipr
Added r-vroom
Added r-progress
Added r-prettyunits
Added r-bit64
Added r-bit
Added r-tzdb
Added r-hms
Added r-modelr
Added r-lubridate