r-cran-thematic binary package in Ubuntu Oracular amd64

 This package provides unified and automatic 'Theming' of 'ggplot2',
 'lattice', and 'base' R Graphics Theme 'ggplot2', 'lattice', and 'base'
 graphics based on a few choices, including foreground color, background
 color, accent color, and font family. Fonts that aren't available on the
 system, but are available via download on 'Google Fonts', can be
 automatically downloaded, cached, and registered for use with the
 'showtext' and 'ragg' packages.

Source package