web: add Username field to AuditEvent

web/src/app/ts/AuditEvent.ts

@@ -56,6 +56,7 @@ export interface AuditEvent {
 	Id: number;
 	CreatedAt: string; // ISO string, can convert to Date if needed
 	User: number;
+	Username: string;
 	ResourceType: string; // Assuming this is a string enum or similar
 	ResourceId: number;
 	EventType: AuditEventType;