Amberelectric

* Remove min and max values for renewable percentages, as they can be below 0 and above 100.
* Removing the build stuff from pyproject.toml

Sync up package versions in setup.py and pyproject.toml

Actually support pydantic 2.

There was a bug in the pyproject.toml file in 2.0.1, which locked pydantic to version 1

* Supports Pydantic v1 and v2

This is a complete 'rewrite'. And by rewrite I mean, I've given up trying to hand-crafting a nice human usable API, and I'm just using the raw OpenAPI generated code.

We've done a lot of work to our OpenAPI spec, so the code isn't _terrible_, but there are still a few oddities. That said, as we're starting to add more things to the API, tweaking on each release was becoming error-prone, so here we are.

Add a license classifier