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/lib/types/event.ts

@@ -14,6 +14,19 @@ export interface Event {
   banner: string | null
 }
 
+export interface Ticket {
+  id: string
+  wallet: string
+  event: string
+  name: string | null
+  email: string | null
+  user_id: string | null
+  registered: boolean
+  paid: boolean
+  time: string
+  reg_timestamp: string
+}
+
 export interface EventsApiError {
   detail: Array<{
     loc: [string, number]