docs: add rustdoc documentation to forester status functions

[Lil-Duckling-22]

Added comprehensive rustdoc documentation to print_current_forester_assignments and print_tree_schedule_by_forester functions.
These functions handle complex forester assignment logic and were missing documentation, making them difficult to understand and maintain.
The documentation includes parameter descriptions, behavior explanations, and usage context to improve code readability and developer experience.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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