Add option to generate colorblind-friendly palette

Add an option to fix issue #455 (closed) to support colorblind-friendly palettes in the trace view.

This implementation includes:

• OKLCH conversion
• Color-blind safe constraints
• Deterministic hashing
• Automatic gamut clipping

To test:

1. Open hpcviewer and open the settings window
2. Select the Traces item on the left pane
3. Select the Colorblind-friendly palette option
4. Open a database and click the Trace view

Signed-off-by: Laksono Adhianto laksono@gmail.com