fix: FINNALY FIXED AND COMPILABLE

types/racing.ts

@@ -132,6 +132,10 @@ export interface EventRegistration {
   notes: string | null;
 }
 
+export interface EventRegistrationWithDriver extends EventRegistration {
+  driver_name: string;
+}
+
 export interface EventWithRegistrations extends Event {
   registrations_count: number;
   user_registered?: boolean;