Enhance app management with 'IsRecommended' feature

- Added 'IsRecommended' property to app-related data models, allowing apps to be marked as recommended.
- Updated API endpoints for creating and updating apps to include 'IsRecommended' in request bodies.
- Modified database schema to accommodate the new 'IsRecommended' field.
- Enhanced frontend components to display recommended apps with a star icon and updated forms to manage this property.
- Improved sorting logic in app listings to prioritize recommended apps.
- Updated documentation to reflect changes in API and data models.

frontend/src/routes/admin/apps.tsx

@@ -2,6 +2,7 @@ import { useState } from 'react'
 import { createFileRoute } from '@tanstack/react-router'
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
 import { useTranslation } from 'react-i18next'
+import { Star } from 'lucide-react'
 import { toast } from '@/shared/ui/toast-store'
 import { Button } from '@/shared/ui/button'
 import { Badge } from '@/shared/ui/badge'
@@ -58,6 +59,9 @@ function AdminAppsPage() {
                 .map((app) => (
                   <div key={app.id} className="flex items-center justify-between rounded-md border border-border px-3 py-2 text-sm">
                     <div className="flex items-center gap-2">
+                      {app.isRecommended && (
+                        <Star className="h-3.5 w-3.5 shrink-0 fill-yellow-400 text-yellow-400" aria-label={t('admin.apps.recommended')} />
+                      )}
                       <span>{app.name}</span>
                       {!app.isEnabled && <Badge variant="outline">{t('admin.apps.disabled')}</Badge>}
                     </div>