support for powerStationType 3 - EV charging hub

[guba91]

Checklist

• [X] I have filled out the template to the best of my ability.
• [X] This only contains 1 feature request (if you have multiple feature requests, open one feature request for each feature request).
• [X] This issue is not a duplicate feature request of previous feature requests.

Is your feature request related to a problem? Please describe.

i succesfully added the integration to homeassistant, but i can see only entities: Battery SoC, Current Battery Power, Current Grid Import, Current Load Consumption, Current Solar Generation, Grid Export Today, Grid Import Today, Solar Generation Today. i don't have a livoltek inverter, only an EV charger. i've tried to explore the API but i cannot figure how to use the jwt token to request data, so i don't even know if there is some more data that can be pulled out.