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/botany/index.html

@@ -24,7 +24,7 @@ Each player begins the game with a set of randomized goals that they then use to
 
 Turns in Botany are streamlined in order to minimize downtime and keep players engaged. Players will move around the map, build their character, and experience the story of their rise to fame, all with an eye for efficiency. Points are gained by improving the quality of your garden, retrieving live specimens from around the globe, and adding preserved flowers to your botanical press. The specimens that players hunt, the goals they focus on to achieve victory, and the events they experience create a unique feel across each game.
 
-—description from the publisher</div>
+—description from the publisher</div><div class="card"><div class="factrow"><b>where it lives</b> Library Kallax · C1</div></div><div class="card"><div class="factrow"><b>in this box</b> <a href="../botany-perilous-perfumes/">Botany: Perilous Perfumes</a> · <a href="../botany-tantalizing-trees/">Botany: Tantalizing Trees</a></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