[refactor] Move storage to an utils and bind it to an object
[refactor] Move storage to an utils and bind it to an object

jvanmalder/ttn,mgranberry/ttn,jvanmalder/ttn,LoRaWanSoFa/ttn,TheThingsNetwork/ttn,jvanmalder/ttn,mgranberry/ttn,TheThingsNetwork/ttn,mgranberry/ttn,TheThingsNetwork/ttn,LoRaWanSoFa/ttn