feat: Add My Tickets feature with ticket management

- Introduce MyTickets.vue page to display user tickets with filtering options for paid, pending, and registered tickets.
- Implement useUserTickets composable for fetching and managing user ticket data.
- Update Navbar.vue to include a link to the My Tickets page.
- Enhance events API to support fetching user tickets.
- Define Ticket type in event.ts for better type safety.

src/router/index.ts

@@ -30,6 +30,15 @@ const router = createRouter({
         title: 'Events',
         requiresAuth: true
       }
+    },
+    {
+      path: '/my-tickets',
+      name: 'my-tickets',
+      component: () => import('@/pages/MyTickets.vue'),
+      meta: {
+        title: 'My Tickets',
+        requiresAuth: true
+      }
     }
   ]
 })