[WIP] add macsima reader

[berombau]

This tries to solve #155.

Lung_adc_demo

from spatialdata_io import macsima
sdata = macsima('./Lung_adc_demo', subset=1000)
sdata

SpatialData object with:
└── Images
      └── 'Lung_adc_demo': MultiscaleSpatialImage[cyx] (116, 1000, 1000), (116, 500, 500)
with coordinate systems:
▸ 'microns', with elements:
        Lung_adc_demo (Images)

Sill need to check on Liver cell atlas data and the parsing issue of the channel names.

[codecov-commenter]

Codecov Report

:x: Patch coverage is 21.47239% with 128 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 34.86%. Comparing base (cff4896) to head (e73cb1d). :warning: Report is 227 commits behind head on main.

Files with missing lines	Patch %	Lines
src/spatialdata_io/readers/macsima.py	21.27%	74 Missing :warning:
src/spatialdata_io/readers/_utils/_utils.py	14.28%	54 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #156       +/-   ##
===========================================
- Coverage   45.50%   34.86%   -10.65%     
===========================================
  Files          22       23        +1     
  Lines        2149     2312      +163     
===========================================
- Hits          978      806      -172     
- Misses       1171     1506      +335     

Files with missing lines	Coverage Δ
src/spatialdata_io/__init__.py	100.00% <100.00%> (ø)
src/spatialdata_io/_constants/_constants.py	100.00% <100.00%> (ø)
src/spatialdata_io/readers/_utils/_utils.py	19.35% <14.28%> (-23.27%)	:arrow_down:
src/spatialdata_io/readers/macsima.py	21.27% <21.27%> (ø)

... and 4 files with indirect coverage changes

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[LucaMarconato]

@berombau excited to see this new reader! What the status/task list for this PR? Thanks for the info.

[berombau]

It's on my to-do list of things to wrap up by the end of next week before I go on holiday. I would want to change the code a little so it can also run on multiple folders. It should also work on a raw data output folder with some modifications from the other scripts. There is also a small bug in the channel parsing still.

[berombau]

Close in favor of https://github.com/scverse/spatialdata-io/pull/224