Enhanced layout snippet with conditional styling support for dark mode. Updated typography and grid classes for improved text and visual consistency. Added additional memorial section content, including headings and text fields for tributes. Expanded blueprint definitions with new block types (`line`, `gallery`, and `quote`). Adjusted chessboard piece and square dimensions in `pgn4web.css` for refined appearance.
Implemented a new PGN4Web block with a PHP snippet for game replay functionality. Updated blueprints with PGN-specific fields, modified layout and blockpage templates, and included necessary JavaScript and assets for interactive chess game rendering. Enhanced memorial page with replayable game content.
tfeigel