print/R-cran-textshaping: New port: Bindings to the 'HarfBuzz' and 'Fribidi' Libraries for Text Shaping

• Submitter becomes maintainer

Provides access to the text shaping functionality in the 'HarfBuzz' library and
the bidirectional algorithm in the 'Fribidi' library.

'textshaping' is a low-level utility package mainly for graphic devices that
expands upon the font tool-set provided by the 'systemfonts' package.

WWW: https://github.com/r-lib/textshaping

Differential Revision: https://reviews.freebsd.org/D43735