This works the same as in the Cube demo, and now allows enjoying
the eyes without any obstructions :^)
The window frame can now be disabled with the -h/--hide-window
command-line option, or via toggle in the GUI.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *