Add support for get_energy_data

[maresmar]

This pull request adds support for get_energy_data calls. It allow you to query for a historical data about power consumption. You could specify time window and interval. I tested my PR on Tapo P110 with firmware 1.3.0:

>>> from PyP100 import PyP110
>>> dev = PyP110.P110("10.0.0.1", "abc", "cdf")
>>> dev.getEnergyData(1706825847, 1708643847, MeasureInterval.DAYS) # Show power consumption per day sice 1st Feb 24
{'local_time': '2024-02-23 00:18:54', 'data': [806, 820, 925, 892, 852, 854, 839, 836, 842, 831, 841, 821, 809, 822, 800, 805, 793, 794, 0, 0, 0, 344, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'start_timestamp': 1706825847, 'end_timestamp': 1708643847, 'interval': 1440}

This PR was based on code and comments from fishbigger#87, it will probably resolve #17

[almottier]

Hello,
thanks a lot for your contribution! I am not able to test it because I only have P100 here.
Could you add it to the documentation in the README.md under Energy Monitoring - P110?

[maresmar]

Hi, I added a few lines to the README.md. I haven't been able to experiment with the current implementation in a long term yet, so I summed up an observation from others.