SphereAdaSTEM modules and make mini test

[chenyangkang]

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[codecov-commenter]

Codecov Report

Attention: 91 lines in your changes are missing coverage. Please review.

Comparison is base (eae6360) 77.77% compared to head (000013a) 85.37%.
Report is 13 commits behind head on main.

Files	Patch %	Lines
stemflow/gridding/Sphere_QTree.py	81.08%	35 Missing ⚠️
stemflow/utils/sphere_quadtree.py	71.42%	24 Missing ⚠️
stemflow/model/SphereAdaSTEM.py	90.69%	16 Missing ⚠️
tests/set_up_data.py	81.25%	6 Missing ⚠️
stemflow/model/static_func_AdaSTEM.py	90.56%	5 Missing ⚠️
stemflow/utils/sphere/Icosahedron.py	75.00%	3 Missing ⚠️
stemflow/model/AdaSTEM.py	75.00%	1 Missing ⚠️
stemflow/utils/jitterrotation/jitterrotator.py	95.23%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #34      +/-   ##
==========================================
+ Coverage   77.77%   85.37%   +7.59%     
==========================================
  Files          24       31       +7     
  Lines        1413     2010     +597     
==========================================
+ Hits         1099     1716     +617     
+ Misses        314      294      -20     

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