29 describe materials

[grzanka]

This pull request includes significant updates to the documentation for the materials and electron range functionalities in the pyamtrack library. The updates provide comprehensive details on the material system and the electron range calculation function, along with examples and error handling.

Documentation improvements:

• docs/python/API/materials.md: Added detailed documentation for the material system, including properties, predefined materials, and usage examples.
• docs/python/API/stopping/electron_range.md: Added detailed documentation for the electron_range function, including input parameters, available models, example usage, and error handling.

Status updates:

• docs/python/function-status.md: Updated the status of the materials module and the stopping.electron_range function to indicate they are fully ported. [1] [2]

[Copilot]

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[Copilot]

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.