Design and Implement Shared, Reusable Search Bar Component

[NkwaTambe]

Description:

Create a Search Bar component in the shared UI library to provide a consistent search experience across the Cashier, Account Manager, and Branch Manager apps. The search bar should support live input, optional icons, and integration with filters or suggestions.

The component must:

• Follow accessibility best practices (labels, aria attributes, keyboard navigation).
• Support variants (simple input, input with button, expandable search).
• Handle loading states and optional clear/reset functionality.
• Be responsive and theme-aware.
• Allow integration with async search results .
• Include unit tests with React Testing Library.