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/pages/StaffTreatmentSessionsPage.tsx

@@ -37,6 +37,7 @@ export default function StaffTreatmentSessionsPage() {
     <>
       <PageHeader
         title="جلسات امروز من"
+        tourId="my-sessions"
         action={
           <button type="button" className="btn secondary sm" onClick={() => refetch()} disabled={isFetching}>
             {isFetching ? 'در حال به‌روزرسانی…' : 'به‌روزرسانی'}