Ecoflow Integration

[psczech]

Is your feature request related to a problem? Please describe.
It is not a problem, but an enhancement.

Describe the solution you'd like
The idea is to integrate EcoFlow storage devices (e.g., Delta Pro 2 or Delta Max) and the PowerStream micro-inverter into EVCC for managing them as storage and inverters.

Describe alternatives you've considered

Additional context
My use case: In addition to a Huawei 10kWp system with storage (already integrated into EVCC), I also operate two EcoFlow balcony solar systems. These include two PowerStream inverters, a Delta Pro 2, and a Delta Max. It would be great if both balcony systems could be integrated into EVCC, allowing surplus charging from the main solar system to be realized as well.

[andig]

This needs documentation. Happy to take a PR. Start with creating a custom meter. In second step- once working- this can then be "bundled" in form of template.