/etc/ is in armagetronad-common 0.2.8.3.2-4.
This file is owned by root:root, with mode 0o755.
..
/etc/armagetronad/
/etc/armagetronad/aiplayers.cfg
/etc/armagetronad/settings_authentication.cfg
/etc/armagetronad/master.srv
/etc/armagetronad/subcultures.srv
/etc/armagetronad/settings_dedicated.cfg
/etc/armagetronad/settings.cfg
/etc/armagetronad/settings_visual.cfg
/etc/armagetronad/default.cfg
/etc/armagetronad/examples/
/etc/armagetronad/examples/breakfast_in_hell.cfg
/etc/armagetronad/examples/fortress_soccer.cfg
/etc/armagetronad/examples/teamsumo.cfg
/etc/armagetronad/examples/death_zone.cfg
/etc/armagetronad/examples/cvs_test/
/etc/armagetronad/examples/cvs_test/fortress_complete.cfg
/etc/armagetronad/examples/cvs_test/fortress_scoring.cfg
/etc/armagetronad/examples/cvs_test/fortress_physics.cfg
/etc/armagetronad/examples/cvs_test/fortress_politics.cfg
/etc/armagetronad/examples/cvs_test/sumo_complete.cfg
/etc/armagetronad/examples/single_use_turbo.cfg