Complete Example Expedition notices

main.mjs derives from the Gravewright documentation Example Expedition sheet.
The system package and this derivative sheet are GPL-3.0-only. The complete GPL
license is in LICENSE.txt. Preserve source availability and applicable notices.

compendiums/expedition.json derives from the original Beacon Expedition Library
example in tutorial-compendiums.mjs. Its original content was published under
the MIT License, Copyright (c) 2026 Gravewright contributors. The full original
MIT notice is preserved in MIT-COMPENDIUM.txt. Changes here update systemId and
the collection name and add the original numeric combat.initiative example.

No rulebook, proprietary catalog, licensed game branding or external artwork is
included. Gear and spell entries are original fictional data, without automated
game rules. English interface labels remain those of the demonstrated sheet.
