Add shelves page to game library; refresh bggpipe export

Port the export's physical shelf layout (.wall/.orow/.ocell) into the
scoped embed.css so /mygames/?g=shelves renders the wall in true
proportions, using the cream board color and accent-purple links for
legibility on the dark theme. Includes a fresh bggpipe re-export (new
Etherfields and Red Dragon Inn titles, updated art). embed.js/embed.css
are untouched by the export.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

static/games/sheriff-of-nottingham-merry-men/index.html

@@ -37,7 +37,7 @@
 
 
 
-    Special Orders: Special order cards indicate combinations of one legal and one illegal good. If players can smuggle both of those items in the same bag, they get that card, which provides them with bonus gold.</div>
+    Special Orders: Special order cards indicate combinations of one legal and one illegal good. If players can smuggle both of those items in the same bag, they get that card, which provides them with bonus gold.</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · B1</div></div>
 <footer>
   <p><a class="pbb" href="https://boardgamegeek.com" rel="noopener"><img src="../art/powered-by-bgg.png" alt="Powered by BGG" height="40"></a></p>
   <p>The Game Shelves · cataloged from shelf photos by