README updates

Added r-tidytext and dependencies

Added r-tidytext, r-janeaustenr, r-snowballc, and r-tokenizers.

Fixed r-reprex

Added r-rmarkdown

Added r-fontawesome

Added r-tinytex

Added r-bslib

Added r-sass

Added r-jquerylib

Added r-htmltools

Added r-conflicted

Added r-memoise

Added r-cachem

Added r-ragg

Added r-textshaping

Added r-systemfonts

Added r-readxl

Added r-rvest

Added r-reprex

Added r-knitr