Migrate the crysfml calculator to PyPI and update update docs/tests

[AndrewSazonov]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 89.77273% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.38%. Comparing base (883c384) to head (cc1be3d).
⚠️ Report is 64 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ablocks/structure/categories/atom_sites/default.py	70.58%	4 Missing and 1 partial ⚠️
...easydiffraction/crystallography/crystallography.py	92.30%	2 Missing and 1 partial ⚠️
...rc/easydiffraction/analysis/calculators/crysfml.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #160      +/-   ##
===========================================
+ Coverage    82.26%   88.38%   +6.11%     
===========================================
  Files           88      151      +63     
  Lines         5451     8778    +3327     
  Branches       454      905     +451     
===========================================
+ Hits          4484     7758    +3274     
+ Misses         802      723      -79     
- Partials       165      297     +132     

Flag	Coverage Δ
integration	74.94% <73.86%> (+4.99%)	⬆️
unittests	79.56% <85.22%> (+7.11%)	⬆️

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