How to play: a guide to the page, with screenshots

A walk through the hall, the table, the ledger, the hands, the warnings,
the reveal, the rail and the phone layout, in the game's voice, with a
figure for each. Linked from the hall, both board pages and the rules.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0141G6xqLeNRYEtviLWSB5Up

src/routes/join/[code]/+page.svelte

@@ -100,6 +100,7 @@
 				<span class="muted">invite friends · room</span> <b>{roomId}</b>{copied ? ' · link copied' : ''}
 			</button>
 		{/if}
+		<a class="quiet" href="/guide">How to play</a>
 		<a class="quiet" href="/rules">Rules</a>
 		<a class="quiet" href="/">The hall</a>
 	</nav>