Dogoni: Tag Minigame

Initial release of Dogoni!

• /dogoni start: tag for all online players with a random seeker, 35-second rounds and points; first to 10 wins.
• Players' items, armor and game mode are saved at the start and returned at the end, when a player leaves, or on the next join after a crash.
• Real hits (damage and knockback) that can never kill; Regeneration for all players during the game; Speed I for the seeker's second try.
• No item drops or container access during the game; game items don't drop on death.
• English messages; author banner in the console on startup.
• Supports 1.21 - 26.2. Tested on Purpur 1.21, 1.21.4, 1.21.11, 26.1.2 and 26.2.