Refresh bggpipe game library export

Updated collection data across the library: renamed Rivals for Catan and
Superfight Loot Crate entries, added Sunken Sailor, refreshed cover art.
embed.js and embed.css preserved as before.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

static/games/mantis-falls/index.html

@@ -26,7 +26,7 @@ By the deal of hidden roles, each game could have only witnesses, meaning you mu
 
 Inspired by shadowy film noir worlds, Mantis Falls is a thematic journey that requires players to continually weigh the value of cooperation against the implicit perils of trust. Hand management and facedown card play combine with opportunities for betrayal to create a detailed blend of strategy, player interaction and suspicion. At every turn, players make concealed moves and develop hidden plans, but will also have thorough conversations as they discuss tactics, defend choices and bluff to protect carefully guarded secrets.
 
-Mantis Falls is sometimes a game of competition balanced with indecision and sacrifice, and sometimes it is a game of cooperation challenged by doubts and distrust. With care, you may figure out which one you are playing before it&#x27;s too late.</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · C3</div></div>
+Mantis Falls is sometimes a game of competition balanced with indecision and sacrifice, and sometimes it is a game of cooperation challenged by doubts and distrust. With care, you may figure out which one you are playing before it&#x27;s too late.</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · B3</div></div>
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