[Feature] Support model import through user-provided Python script

[utsinboots]

What needs work?

Hi @SeaCelo @autibet opening this for discussion. Please correct my understanding and feature description.

We may want to support importing a model using a user-provided Python script that defines or generates the model and its specifications.

Allow user to provide a Python script that can be executed or parsed to generate the required MUIOGO model structure, inputs, and specifications.

• Any specific script formatting for the user to follow?
• Any specific objects the script should return?
• Where and how should MUIOGO execute the script?
• Any security checks needed before running the script?

Possible approach (optional)

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What good looks like (optional)

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Anything to keep in mind? (optional)

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Related issue, PR, or discussion (optional)

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Proposed track

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