Licence of code
---------------
Copyright (C) 2022 Blockhead

Licensed under the GNU Affero General Public License, version 3.0 or later, as
part of the Secrets of the Moon game for Minetest.

Licence of textures
-------------------
Copyright (C) 2022 Blockhead

Licensed under the Creative Commons Attribution-ShareAlike 4.0 International
License (CC BY-SA 4.0).

"Blocky Earth" (sotm_earth.*)
"Pale Sun" (sotm_sun.png)
