~dricottone/pkgbuilds

ref: b36a0dcdbee3f61370d6f91ab464e9c64bd3739a pkgbuilds/r-ps d---------
Initial commit

A long journey to packaging r-tidyverse. The current highest-level
packages that are successfully built are dtplyr, waldo, callr, and xml2.
A handful of others (brio, digest, praise, units, zeallot) are currently
freestanding but will become dependencies soon.