E3dc-cli

Fixes & Improvements
- Rework error handling

Fixes & Improvements
- Typos & Project meta-data

Dependencies
- Bump jsonargparse from 4.35.0 to 4.36.0 ([3](https://github.com/waldbaer/e3dc-cli/pull/3))
- Bump pydantic from 2.10.4 to 2.10.5 ([2](https://github.com/waldbaer/e3dc-cli/pull/2))

Rework to [hyper-modern structure](https://cjolowicz.github.io/posts/hypermodern-python-01-setup/)

Improvements
- Use [python-pdm](https://pdm-project.org/)
- Use src layout
- Use ruff linter and formatter
- Implement tests (100% coverage)
- Publish to [PyPI](https://pypi.org/) index

Setter and several new queries.

Features
- New Queries:
- live_wallbox
- live_powermeter
- static_system
- Setter:
- power_limits
- powersave
- weather_regulated_charge

Initial version.

Features
- Query live status (system, batteries, inverter, ...)
- Query historical data (day, month, ...)
- Multiple queries
- Machine-readable JSON output