Improve image rendering with small color palettes using dithering

Image printing in the terminal.
See also: `catimg`, `pixterm`.
More information: <https://hpjansson.org/chafa>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

chafa -c 16 --dither ordered {{path/to/file}}

click the source code to copy install chafa on any operating system with command-not-found.com