generate device keys is missing elements available on other SDKs

https://ironcorelabs.com/docs/data-control-platform/nodejs/user-operations/#ironnodeusergeneratedevicekeys

[IronOxide](https://docs.rs/ironoxide/latest/ironoxide/user/struct.DeviceAddResult.html) (reference impl) and [ironweb](https://ironcorelabs.com/docs/data-control-platform/javascript/initialization/#ironwebcreatenewdevicekeys) both return a more complete object for device creation, and the device ID is needed to later intelligently revoke said device. Bring ironnode into alignment here, should be able to do it additively.