ref: 5e0cd7694806e4a2c8f68d0385f8480d321ab8f2
parent: 4c1e50939e75a2192e5b08f9e4882b3a61ff1a26
author: Dominic Szablewski <dominic@phoboslab.org>
date: Mon Aug 21 09:07:39 EDT 2023
Initialize joysticks and support loading gamecontrollerdb.txt; see #26