R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'crosstable'

crosstable::crosstable-report |  | Make automatic reports | HTML | source | R code
crosstable::crosstable-selection |  | Select variables | HTML | source | R code
crosstable::crosstable |  | Introduction to Crosstable | HTML | source | R code
crosstable::customization |  | Customization | HTML | source | R code
crosstable::percent_pattern |  | Using `percent_pattern` | HTML | source | R code