Add Fiducial Module

[tgross03]

• Added the fiducial module to process and visualize cleaned radio images which are provided as FITS files.

• Switched CASA table import in src/radiotools/layouts/layouts.py from casatools.table to casacore.table, and updated the table instantiation to include ack=False for compatibility with python-casacore.

• Added python-casacore>=3.7.1 to the main dependencies in pyproject.toml, and removed the optional CASA dependency group.

• Replaced the img2jansky function with two new functions, beam2pix and pix2beam, for converting between Jy/beam and Jy/pix units in src/radiotools/utils/utils.py. Updated the corresponding exports in src/radiotools/utils/__init__.py.

• Removed the src/radiotools/measurements/measurements.py file and its corresponding import/export from src/radiotools/measurements/__init__.py.

[codecov-commenter]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
1	1	0	0

View the top 1 failed test(s) by shortest run time

tests/test_fiducial.py::tests.test_fiducial

Stack Traces | 0s run time

ImportError while importing test module '.../radiotools/tests/test_fiducial.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
../../...../radiotools-dev/lib/python3.11.../site-packages/_pytest/python.py:507: in importtestmodule
    mod = import_path(
../../...../radiotools-dev/lib/python3.11.../site-packages/_pytest/pathlib.py:587: in import_path
    importlib.import_module(module_name)
../../...../radiotools-dev/lib/python3.11/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>:1147: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:690: in _load_unlocked
    ???
../../...../radiotools-dev/lib/python3.11.../_pytest/assertion/rewrite.py:197: in exec_module
    exec(co, module.__dict__)
tests/test_fiducial.py:1: in <module>
    from radiotools.fiducial import Fiducial
.../radiotools/fiducial/__init__.py:1: in <module>
    from .fiducial import Fiducial
.../radiotools/fiducial/fiducial.py:15: in <module>
    from radio_stats.cuts.dbscan_clean import dbscan_clean
../../...../radiotools-dev/lib/python3.11.../radio_stats/cuts/__init__.py:1: in <module>
    from .dbscan_clean import dbscan_clean
../../...../radiotools-dev/lib/python3.11.../radio_stats/cuts/dbscan_clean.py:3: in <module>
    from sklearn.cluster import DBSCAN
E   ModuleNotFoundError: No module named 'sklearn'

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