R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'tabr'

tabr::tabr-prog-chords |  | Chord functions | HTML | source | R code
tabr::tabr-prog-music |  | The music class | HTML | source | R code
tabr::tabr-prog-noteinfo |  | Note information | HTML | source | R code
tabr::tabr-prog-notes |  | Note functions | HTML | source | R code
tabr::tabr-prog-nw |  | Noteworthiness | HTML | source | R code
tabr::tabr-prog-scales |  | Musical scales | HTML | source | R code