R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'admiraldev'

admiraldev::admiraldev |  | Get Started | HTML | source | R code
admiraldev::package_extensions |  | Package Extensions | HTML | source | R code
admiraldev::rcmd_issues |  | R CMD Issues | HTML | source | R code
admiraldev::test_data_guidance |  | Test Data Guidance | HTML | source | R code
admiraldev::writing_custom_examples |  | Writing Custom Examples | HTML | source | R code