- Install JetBrainsMono Nerd Font for icons across all TUI tools
- Add Yazi as terminal file manager with themed config per colorscheme
- Add write_yazi_config() to all 5 theme files
- Theme switcher (archduino-theme) now also updates Yazi
- Add 'y' alias for yazi in shell config
- Update step numbering (9 -> 11 steps) and README
- Add theme selection system with 5 predefined themes
- Implement Catppuccin Mocha, Dracula, Gruvbox Dark, Nord, and Tokyo Night
- Each theme includes NvChad integration and starship prompt configuration
- Support for custom color palettes and consistent formatting
- Interactive theme selection with numbered menu