Feature request: Device Expiration Notification

[hypoclone]

Is your feature request related to a problem? Please describe.
Right now when a device goes offline, it's hard to tell if it has expired based on the set expiry date or some other problems, one can't really tell unless you inspect the device parameter or go to device list under settings and check the expiry dates of each device, this becomes worrisome when you have a large number of devices in your fleet

Describe the solution you'd like
A good solution is

1. Have an indicator of some sort that will make one know a device as expired. Example will be a red color font text saying "Expired" or the expiry date in red for expired device.
2. A notification (web, email or SMS) indicating a device about to expiry or expired, it's more easier than scanning through the dates

Describe alternatives you've considered
An expiry date field on the device pop-up on the map when a device is selected.

[ligenzasantiago]

This is pretty easy to implement outside of traccar using the api.