MineChess

-Added 4 new API Events: ArenaPreJoinEvent, ArenaJoinEvent, ArenaPreLeaveEvent and ArenaLeaveEvent.

-Added scoreboard_enabled option in the config.

-Fixed issues with reward variables. Now you can use %player_loser% and %player_loser_points% variables on: end_by_time, end_by_player_time, end_by_checkmate

-Added compatibility with 26.1

-Fixed castling movement rule:

• the king is not in check.
• the king does not cross over a square attacked by an enemy piece.

-Updated wiki with small FAQ on how to give random amount of money as reward.

-Fixed: Players can't use color/formatting codes anymore on chat when per_arena_chat is enabled.