dh-r - 20230121 main

Provides the R package buildsystem for debhelper.
.
Additional tools:
.
convert-to-dh-r: convert the dependencies of an existing R package
from using CDBS to use dh-r
dh-make-R: generate packaging skeletons for R packages
dh-update-R: update (versioned) dependencies of R packages,
Vcs-fields and Maintainer field