Update lib/services/devices/devices-NGSI-v2.js

Co-authored-by: Fermín Galán Márquez <[email protected]>

Author: AlvaroVega

lib/services/devices/devices-NGSI-v2.js

@@ -224,6 +224,7 @@ function createInitialEntityNgsi2(newDevice, deviceObj, callback) {
         callback(null, deviceObj);
     } else {
         // Creates initial entity when commands by sucriptions, to ensure commands appears in entity with null value
+        // (including a check so if device has no commands, no entity is created)
         if (newDevice.commands.length > 0) {
             const options = {
                 url: config.getConfig().contextBroker.url + '/v2/entities?options=upsert',