forked from cardosofelipe/pragma-stack
- Introduce FastNext Design System based on `shadcn/ui` and `Tailwind CSS 4`. - Detail semantic color tokens using the OKLCH color space for better accessibility. - Define typography, spacing, shadows, and border radius standards. - Provide component usage guidelines for consistent and accessible design. - Outline responsive design, performance, and accessibility best practices. - Add dark mode implementation strategy and tooling references. - Include a version history for change tracking and future updates.