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/catan-junior/index.html

@@ -38,7 +38,7 @@ What sets this apart from the previous Die Siedler von Catan: Junior from 2007:
     By default, Trading with other players is excluded and only part of the "advanced game".  In Die Siedler von Catan: Junior trading with other players could be excluded to simplify the game.
 
 
-As in Die Siedler von Catan: Junior you can&#x27;t chain ships; you must build a pirate lair before continuing on.</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · C2</div></div>
+As in Die Siedler von Catan: Junior you can&#x27;t chain ships; you must build a pirate lair before continuing on.</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · D2</div></div>
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