[Experimental] PGM CLI implementation

[TonyXiang8787]

This PR attempts to implement a PGM command line interface as native executable which links to the C-API. The executable can be invoked in Python as a Python shim.

Check list

• CLI implementation
• CLI test using C++ doctest
• Python shim
• Python simple test
• Conda test in PGM CI
• Documentation for user
• Documentation in build guide
• Local test per environment
  • Windows
  • Mac
  • Linux
• Modify and test in conda feedstock

Local test guide

Test install

Run the following at any working folder

uv tool install git+https://github.com/PowerGridModel/power-grid-model.git@feature/pgm-cli
power-grid-model --help
power-grid-model --version
uv tool uninstall power-grid-model

Test editable

Checkout this branch, then do a round of build and test.

uv sync --reinstall
uv run pytest
uv run power-grid-model --help
uv run power-grid-model --version

[mgovers]

i don't have time to do a full review but this is at least some input

[sonarqubecloud]

Quality Gate passed

Issues
9 New issues
0 Accepted issues

Measures
0 Security Hotspots
80.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud