Fix: book.html PDF export layout and add PNG export option #42
Description
The book.html manufacturer companion book currently has incorrect PDF export formatting - it displays 1 card page per PDF page instead of properly tiling cards for print layout.
Tasks:
- Find out manufacturer's requirement for printing booklet
- Fix PDF export to properly tile cards on pages for printing
- Add PNG export option as an alternative to PDF
- Ensure exported formats maintain print quality and proper margins according to manufacturer's requirements