- Add legendPosition option (right, left, bottom, none) to control legend placement
- Add showFooter option to show/hide footer info
- Support both config (YAML) and render options for flexibility
- Fix legend overlapping issue when positioned at bottom
- Maintain backward compatibility with showLegend option
- Add uniformRowHeight option to RenderOptions
- Render bit grid (8 vertical lines) inside bitfield cells
- Show bit numbers (7-0, MSB first) below byte numbers
- Increase row height to 45px for rows with bitfields
- Increase default cellWidth to 40px for readability
- Add 6 new tests for bitfield visualization