refactor: significantly simplify navbar component implementation -- remove nested band, gradient options and size options in lieu of a very simple app-bar like component with nested priority-nav component for starters.
refactor: significantly simplify navbar component implementation -- remove nested band, gradient options and size options in lieu of a very simple app-bar like component with nested priority-nav component for starters.

bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt,bolt-design-system/bolt