Deployment modes
Set deploymentmode in config/brechertrainers/league.yaml:
Configuration
On first start the mod creates config/brecher_trainers/ with documented
Commands & permissions
Player commands under /gym — register, rename, unregister, info,
Trainer appearances
Players set a trainer's look with the Ogrepon Mask.
Backups & recovery
Take an offline world and configuration backup before an upgrade, a
