Merge branch 'm4/rummikub' into codex/owner/grp_discord_joke-app

# Conflicts:
#	apps/web/src/games/registry.ts
#	apps/web/src/lib/catalog-ui.ts
#	e2e/games.e2e.ts
#	packages/games/src/index.ts
#	packages/shared/src/catalog.ts

apps/web/src/lib/catalog-ui.ts

@@ -16,5 +16,10 @@ export const UPCOMING = ['마작', '고스톱', '뱅', '할리갈리'];
   'one-card': '♣',
 };
 
+/** Shown on the home screen so users know what's coming (docs/12-roadmap.md). */
+export const UPCOMING = ['마작', '고스톱', '뱅', '할리갈리'];
+  rummikub: '🔢',
+};
+
 /** Shown on the home screen so users know what's coming (docs/12-roadmap.md). */
 export const UPCOMING = ['마작', '고스톱', '뱅', '할리갈리'];