feat(tour): add onboarding tours for various admin pages

- Integrated TourButton component into SettingsMenuPage, SkillsPage, SmsWalletPage, StaffPage, StaffSessionDetailPage, StaffTreatmentSessionsPage, SubscriptionPage, TagsSettingsPage, TreatmentCasesPage to enhance user onboarding experience.
- Created new tour definitions for appointments, clinics, staff management, financial management, and patient management, ensuring comprehensive guidance for users navigating the admin panel.
- Updated documentation to reflect the addition of tours and their implementation details.

assets/admin/components/ui/Pagination.tsx

@@ -28,7 +28,7 @@ export default function Pagination({ page, total, limit, onPageChange }: Props)
   }
 
   return (
-    <div className="pagination">
+    <div className="pagination" data-tour="page-pagination">
       <span style={{ fontSize: 12.5, color: 'var(--text-3)' }}>
         نمایش {formatNumber(from)}–{formatNumber(to)} از {formatNumber(total)} مورد
       </span>