fix: export forgotten items

src/errors/Errors.ts

@@ -1 +1,4 @@
 export * from './BrokenCircuitError';
+export * from './BulkheadRejectedError';
+export * from './IsolatedCircuitError';
+export * from './TaskCancelledError';

src/index.ts

@@ -1,5 +1,10 @@
 export * from './backoff/Backoff';
 export * from './breaker/Breaker';
+export * from './Bulkhead';
+export * from './CancellationToken';
 export * from './CircuitBreakerPolicy';
+export { Event, EventEmitter } from './common/Event';
+export * from './errors/Errors';
 export * from './Policy';
 export * from './RetryPolicy';
+export * from './TimeoutPolicy';