Cricket game mode

[BySplashGm]

Description

Add Cricket as a selectable game mode alongside 301/501/701.

Rules

• Sectors in play: 15, 16, 17, 18, 19, 20, Bull
• A sector is "closed" after 3 hits (single = 1, double = 2, triple = 3)
• Once closed by a player, additional hits on that sector score points — unless the opponent has also closed it
• Winner: first player to close all sectors AND have the highest (or equal) score

Acceptance criteria

• New GameMode enum: x01, cricket
• CricketGameState tracking open/closed sectors per player and scoring
• Cricket-specific score input UI (sector buttons 15–20 + Bull, close indicator)
• Stats tracked separately from x01