Rename galaxy_creation to galaxy; add character creation skeleton
- Rename GalaxyCreationPlugin -> GalaxyPlugin, AppState::GalaxyCreation
-> AppState::Galaxy, module path galaxy_creation -> galaxy (folder
rename preserves git history via git mv).
- Rename GalaxyCreationSpawned -> GalaxySpawned, despawn_galaxy_creation
-> despawn_galaxy.
- Update AGENTS.md module layout, plugin pattern example, and naming
table for the new names.
- Add apps/game/src/gameplay/character_creation/ skeleton: placeholder
UI with Confirm (-> InGame) and Back (-> Galaxy) buttons plus Escape
shortcut. Wired into main.rs via CharacterCreationPlugin.
francy51
75f58bcd54