Tracking loss in devices

[ybyzek]

This can apply to any IoT, but the idea is to write a ksql stream processing app that detects loss. Author of this recipe has creative freedom to define what loss means, perhaps it's one of:

• State change
• No state change
• No data in a certain window

Inspiration: https://docs.microsoft.com/en-us/windows/mixed-reality/develop/unity/tracking-loss-in-unity