Implement colorbar logic

[timtreis]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 96.17225% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.75%. Comparing base (8d7aa1c) to head (d42f5af).

Files with missing lines	Patch %	Lines
src/spatialdata_plot/pl/render.py	92.85%	3 Missing ⚠️
src/spatialdata_plot/pl/utils.py	95.45%	3 Missing ⚠️
src/spatialdata_plot/pl/basic.py	97.56%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #518      +/-   ##
==========================================
+ Coverage   82.92%   83.75%   +0.82%     
==========================================
  Files           8        8              
  Lines        2384     2555     +171     
==========================================
+ Hits         1977     2140     +163     
- Misses        407      415       +8     

Files with missing lines	Coverage Δ
src/spatialdata_plot/pl/render_params.py	90.25% <100.00%> (+1.05%)	⬆️
src/spatialdata_plot/pl/basic.py	91.54% <97.56%> (+2.33%)	⬆️
src/spatialdata_plot/pl/render.py	88.76% <92.85%> (+0.16%)	⬆️
src/spatialdata_plot/pl/utils.py	79.34% <95.45%> (+0.33%)	⬆️

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