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/etherfields/index.html

@@ -28,7 +28,7 @@ The rules are pretty straightforward at the beginning, but they will grow more a
 
 Deckbuilding in Etherfields applies to almost every deck in the game, not only the players' ones. If you want to know more, enter the Dreamworld. It may be dark here and there, but it certainly isn't gray. Then, look around and ask yourself: what if we all live in a vast, shared dream?
 
-—description from the publisher</div>
+—description from the publisher</div><div class="card"><div class="factrow"><b>where it lives</b> Library Right Shelving · E1</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