💄 Update event link styling

Adjust the layout of event links for better alignment and remove the delete button for a cleaner interface.

🎨 Enhance event display randomness

Improve visual variety of event cards by introducing randomization based on event IDs.

💄 Add Users link to admin navigation

Enhance the admin navigation by adding a link to the Users page for improved accessibility.

💄 Add total storage calculation for events

Introduce a method to calculate total storage used by media in an event
and update the dashboard to display this information.