feat(billing): enhance invoice list with filtering and summary stats
feat(components): add ClearFiltersButton, FilterDropdown, and DetailStatsGrid components for better UI consistency
fix(get-started): refactor button links to use new Button component for consistency
style(services): update ServicesOverviewContent to conditionally render hero section
refactor(orders): simplify OrderDetail and OrdersList views with new stat grid and filtering components
chore: add useInvoicesFilter hook for managing invoice filtering logic