- Update gravity-shift: change material to POTION, update description to reflect random potion effects
- Update hardcore: update description to clarify reward loss on fall
- Apply changes to both English and Russian locales
- Updated cooldown handling in AdminCommandHandler to use localized messages.
- Added new method in Locales class to retrieve strings based on CommandSender type.
- Introduced cooldown messages in English and Russian localization files.
- Removed outdated DuelMode section from TODO.md and updated the last modified date.
- Created ElytraMode class with leaderboard support
- Auto-gives elytra and fireworks on mode start
- Added elytra mode config options
- Added Russian and English localization
- Integrated into mode selection menu
- TODO: Ring generation, boost system, collision detection