R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'getaca'

getaca::alternatives |  | Choosing Between getaca and the Alternatives | HTML | source | R code
getaca::cache |  | The Cache | HTML | source | R code
getaca::checks |  | Surviving R CMD check and CI | HTML | source | R code
getaca::declaring |  | Declaring Resources | HTML | source | R code
getaca::failures |  | Handling Failures | HTML | source | R code
getaca::migrating |  | Migrating an Existing Downloader | HTML | source | R code
getaca::policies |  | Policies and Channels | HTML | source | R code
getaca::quickstart |  | Quick Start | HTML | source | R code