R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'progressr'

progressr::progressr-01-intro |  | progressr: An Introduction | HTML | source |
progressr::progressr-11-handlers |  | progressr: Customize How Progress is Reported | HTML | source |
progressr::progressr-21-map-reduce |  | progressr: Map-Reduce Calls, e.g. lapply() and map() | HTML | source |
progressr::progressr-22-parallel-processing |  | progressr: Parallel and Distributed Processing | HTML | source |
progressr::progressr-25-replace-cli-with-progressr |  | progressr: Replace 'cli' Progress Bars with 'progressr' | HTML | source |
progressr::progressr-29-debug |  | progressr: Debug | HTML | source |
progressr::progressr-31-knitr |  | progressr: Render 'knitr' Documents | HTML | source |
progressr::progressr-91-appendix |  | progressr: Appendix | HTML | source |