fesom1 to levels

[pgierz]

Summary of the most important changes

Allows interpolation of data on (time, nodes_3d) to (time, nodes_2d, depth). Use the step pymorize.fesom_1p4.nodes_to_levels.

Checklist

• [x] I have tested the changes in this PR. (by hand)
• [x] I have updated the documentation.

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[pgierz]

This pull request introduces significant enhancements and new features to the pymorize project, particularly in the cli.py and nodes_to_levels.py files. The changes include adding new dependencies, restructuring the CLI commands, and implementing a new module for converting FESOM 1.4 output data.

New Dependencies:

• Added joblib and numpy to the list of dependencies in setup.py.

CLI Enhancements:

• Introduced a new scripts command group in src/pymorize/cli.py to organize related commands.
• Added a new subcommand fesom1 under the scripts group for FESOM-related operations.
• Registered the new scripts command group with the main CLI.

New Module for FESOM 1.4:

• Created a new module nodes_to_levels.py in src/pymorize/fesom_1p4/ that provides functionality to convert FESOM 1.4 output data from (nodes, time) to (nodes, levels, time). This includes:
  • Functions for opening, processing, and saving datasets using Xarray.
  • A function to interpolate unstructured data onto depth levels.
  • A CLI command convert to perform the conversion.