Trevor L Davis [aut, cre]
Linux Foundation [dtc] (Uses some data from the "SPDX License List"
Delapouite <https://delapouite.com/> [ill] (Meeple shape extracted from
"Meeple icon" <https://game-icons.net/1x1/delapouite/meeple.html> /
"CC BY 3.0" <https://creativecommons.org/licenses/by/3.0/>)
Creative Commons [ill] (`save_print_and_play()` uses "license badges"
from Creative Commons to describe the generated print-and-play