improve: better use of screen space on all pages

- Larger book spines on desktop (w-64 h-96)
- Wider spacing between books on shelf
- Game cover page: two-column layout on large screens
- Chapter reader: wider content area (800px on lg)
- Larger typography on desktop breakpoints

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ecosystem.config.js

@@ -0,0 +1,15 @@
+module.exports = {
+  apps: [
+    {
+      name: "cronicas-de-los-reinos",
+      cwd: "/home/PaginaNovelasYRpg",
+      script: "node_modules/.bin/next",
+      args: "start -H 0.0.0.0 -p 3000",
+      env: {
+        NODE_ENV: "production",
+      },
+      max_restarts: 5,
+      restart_delay: 3000,
+    },
+  ],
+};