Description: - Install TanStack Query and make the query client available throughout the entire application. Tasks: - Install @tanstack/react-query. - Create a QueryClient. - Wrap the application with QueryClientProvider. - Choose sensible default settings for refetching and retries. Acceptance Criteria: - TanStack Query is installed. - All components can use query hooks. - The application starts without provider-related errors. - The configuration does not result in unnecessary API requests.