Add single-crystal diffraction support via cryspy

[AndrewSazonov]

This PR implements single-crystal diffraction support via cryspy.

[codecov]

Codecov Report

❌ Patch coverage is 90.50132% with 72 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.28%. Comparing base (883c384) to head (3e738b2).
⚠️ Report is 22 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/easydiffraction/display/plotting.py	71.11%	20 Missing and 6 partials ⚠️
src/easydiffraction/analysis/calculators/cryspy.py	90.58%	5 Missing and 11 partials ⚠️
...easydiffraction/experiments/experiment/bragg_sc.py	75.00%	10 Missing and 2 partials ⚠️
...iffraction/experiments/categories/data/bragg_sc.py	96.06%	4 Missing and 1 partial ⚠️
src/easydiffraction/display/plotters/ascii.py	88.23%	1 Missing and 3 partials ⚠️
src/easydiffraction/display/plotters/plotly.py	94.59%	1 Missing and 1 partial ⚠️
...ction/experiments/categories/instrument/factory.py	83.33%	1 Missing and 1 partial ⚠️
src/easydiffraction/display/plotters/base.py	93.33%	1 Missing ⚠️
...ion/experiments/categories/background/chebyshev.py	50.00%	1 Missing ⚠️
...iffraction/experiments/categories/data/bragg_pd.py	98.11%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #127      +/-   ##
===========================================
+ Coverage    82.26%   84.28%   +2.02%     
===========================================
  Files           88       91       +3     
  Lines         5451     5911     +460     
  Branches       454      496      +42     
===========================================
+ Hits          4484     4982     +498     
+ Misses         802      746      -56     
- Partials       165      183      +18     

Flag	Coverage Δ
integration	70.12% <74.93%> (+0.17%)	⬆️
unittests	71.78% <51.45%> (-0.67%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.