Merge pull request #53 from patchlevel/docs-shared-event-dispatcher

Warn about sharing an event dispatcher between workers

Author: DavidBadura

docs/events.md

@@ -48,4 +48,9 @@ $worker = DefaultWorker::create(
     $logger,
     $eventDispatcher,
 );
-```
+```
+:::warning
+`create` registers the limit listeners on the given event dispatcher.
+If you create multiple workers with the same event dispatcher, all of them share each other's limits.
+Use a separate event dispatcher per worker.
+:::