Introduces a multi-step onboarding process for first-time users, including theme selection and default browser setup. Adds setup.html, setup.js, and setup.css for the new UI, updates main.js and preload.js to support onboarding logic and IPC handlers, and adjusts theme-manager.js for correct theme directory resolution.
Introduces seven new built-in themes (cyberpunk, midnight-rose, arctic-ice, cherry-blossom, cosmic-purple, emerald-dream, mocha-coffee, lavender-fields) with corresponding JSON files, updates the FEATURES documentation, and enhances the settings UI to display and select these themes. Also updates theme loading logic in theme-manager.js and improves the theme selector layout for better usability.
Introduces a full browser customization system with support for theme presets, live editing, import/export, and non-destructive design. Adds new documentation for customization, updates the features list, and implements a ThemeManager for loading and managing themes at the application level. Updates home and settings pages to support live theming and preview, and adds four built-in themes (default, forest, ocean, sunset).
andrew