feat: refactor transfer_all function and add transferable_wells utility

[jirhiker]

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How

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Notes

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[Copilot]

Pull request overview

This PR refactors the transfer_all function to simplify its interface and moves configuration management inside the function. It also introduces a new utility script for identifying transferable wells.

Changes:

• Simplified transfer_all function signature by removing parameters and managing configuration internally via environment variables
• Removed unused profile_waterlevels parameter from _run_continuous_water_level_transfers
• Added transferable_wells.py utility script to extract and export transferable wells data

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
transfers/transferable_wells.py	New utility script that reads well data, filters transferable wells, and exports to CSV
transfers/transfer.py	Refactored transfer_all to simplify interface and manage configuration internally