Even more documentation

example/src/index.ts

@@ -8,7 +8,7 @@ import MQTTConnector from "./modules/mqttConnector";
 const aas = FileImporter.readAASByPath("../owntest.json");
 
 // Then we create a new broker instance
-const broker = new MultiMessageBroker();
+const broker = MultiMessageBroker.getInstance();
 // We need to register the connector we want to use.
 // These will be chosen later if needed.
 broker.registerInterfaceConnection({ interfaceConnection: MQTTConnector, config: { reconnectPeriod: 1000 }})