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/SkillsPage.tsx

@@ -46,6 +46,7 @@ export default function SkillsPage() {
       <div className="fade-in">
         <PageHeader
           title="مهارت‌ها"
+          tourId="resource-skills"
           description="مهارت روی منابع می‌نشیند و در انتخاب منبع مناسب استفاده می‌شود. مهارتی که به منبعی داده شده، تا برداشته نشود حذف نمی‌شود."
           backTo="/admin/resources"
           breadcrumbs={[{ label: 'منابع', to: '/admin/resources' }, { label: 'مهارت‌ها' }]}