Support for zarr

[gmaze]

In this PR we shall provide base support for exporting an Argo dataset to a zarr archives,local or remote.

A simple dataset export to zarr would be:

from argopy import DataFetcher
ds = DataFetcher(src='gdac', mode='expert').float(6903091).to_xarray()
ds.argo.to_zarr("6903091_prof.zarr")

Data variable types and compression would be automatically handled by argopy.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
1688	1	1687	217

View the top 1 failed tests by shortest run time

.::.

Stack Traces | 0s run time

C:\Users\runneradmin\micromamba\envs\argopy-tests\Lib\importlib\__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
<frozen importlib._bootstrap>:1204: in _gcd_import
    ???
<frozen importlib._bootstrap>:1176: in _find_and_load
    ???
<frozen importlib._bootstrap>:1126: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
<frozen importlib._bootstrap>:1204: in _gcd_import
    ???
<frozen importlib._bootstrap>:1176: in _find_and_load
    ???
<frozen importlib._bootstrap>:1126: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
<frozen importlib._bootstrap>:1204: in _gcd_import
    ???
<frozen importlib._bootstrap>:1176: in _find_and_load
    ???
<frozen importlib._bootstrap>:1147: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:690: in _load_unlocked
    ???
<frozen importlib._bootstrap_external>:940: in exec_module
    ???
<frozen importlib._bootstrap>:241: in _call_with_frames_removed
    ???
argopy\__init__.py:28: in <module>
    from .xarray import ArgoAccessor  # noqa: E402
argopy\xarray.py:11: in <module>
    from dask.delayed import Delayed
E   ModuleNotFoundError: No module named 'dask'

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