feat: Launch PartSeg GUI from napari

[Czaki]

This PR introduces the option to launch PartSeg GUI from napari. This allows using the napari installer for non-pythonic users.

[deprecated-napari-hub-preview-bot]

Preview page for your plugin is ready here:
https://preview.napari-hub.org/4DNucleome/PartSeg/581

[deprecated-napari-hub-preview-bot]

Preview page for your plugin is ready here:
https://preview.napari-hub.org/4DNucleome/PartSeg/581

[codecov]

Codecov Report

Merging #581 (1080710) into develop (e31d28d) will increase coverage by 0.15%.
The diff coverage is 90.90%.

@@             Coverage Diff             @@
##           develop     #581      +/-   ##
===========================================
+ Coverage    77.75%   77.90%   +0.15%     
===========================================
  Files          143      143              
  Lines        19170    19171       +1     
===========================================
+ Hits         14905    14935      +30     
+ Misses        4265     4236      -29     

Impacted Files	Coverage Δ
package/PartSeg/_launcher/main_window.py	96.33% <89.18%> (+24.64%)	⬆️
...ckage/PartSeg/common_gui/algorithms_description.py	80.59% <100.00%> (ø)
package/PartSeg/plugins/napari_widgets/__init__.py	100.00% <100.00%> (ø)
package/PartSegCore/algorithm_describe_base.py	87.89% <100.00%> (+0.03%)	⬆️
package/PartSeg/_roi_mask/main_window.py	63.97% <0.00%> (-0.15%)	⬇️
package/PartSeg/common_gui/napari_image_view.py	84.65% <0.00%> (-0.14%)	⬇️
...Core/analysis/batch_processing/parallel_backend.py	91.39% <0.00%> (+1.98%)	⬆️

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[deprecated-napari-hub-preview-bot]

Preview page for your plugin is ready here:
https://preview.napari-hub.org/4DNucleome/PartSeg/581

[deprecated-napari-hub-preview-bot]

Preview page for your plugin is ready here:
https://preview.napari-hub.org/4DNucleome/PartSeg/581

[deprecated-napari-hub-preview-bot]

Preview page for your plugin is ready here:
https://preview.napari-hub.org/4DNucleome/PartSeg/581