code: def discovery_mqtt(self):
          
          # Install the bundle
          self.context.install_bundle("pelix.remote.discovery.mqtt").start()
  
          with use_waiting_list(self.context) as ipopo:
              # Instantiate the discovery
              ipopo.add(
                  rs.FACTORY_DISCOVERY_MQTT,
                  "pelix-discovery-mqtt",
                  {
                      "application.id": "sample.rs",
                      "mqtt.host": self.arguments.mqtt_host,
                      "mqtt.port": self.arguments.mqtt_port,
                  },
              )
docs: Installs the MQTT discovery bundles and instantiates components