Uses TAPO API to get monthly energy usage from all devices into one plot, from today to 6 months back.
Creates the following plot:
Based on:
https://github.com/mihai-dinculescu/tapo/tree/main
https://github.com/mihai-dinculescu/tapo/blob/main/tapo-py/examples/tapo_p110.py
https://github.com/mihai-dinculescu/tapo/blob/main/tapo-py/tapo.pyi