FOSS Galaxy Game Library
Copyright 2021 Joseph Walton-Rivers

The Initial Developer of some parts of the framework, which are copied from, derived from, or
inspired by code provided via opengl-tutorial.org, is Sam Hocevar (sam@hocevar.net).
Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>. WTFPL.

The Initial Developer of IMGUI (vendor/IMGUI),
is Omar Cornut ( https://github.com/ocornut )
Copyright (c) 2014-2021 Omar Cornut. MIT licence.