💄 Update admin navigation links

Rearrange and enhance the admin navigation links for better clarity and usability. 🎨 Limit recent users and events displayed on dashboard Reduce the number of recent users and events shown in the admin dashboard to improve performance and clarity. ✨ Introduce preserved events filter and UI Add functionality to filter events by preservation status and update UI to display preserved events in the admin panel. ✨ Introduce reviews management feature Add reviews controller, views, and routes to manage completed reviews with filtering options for rating and usage feedback.