CST tutorial

[eytanadler]

Purpose

Adds a tutorial showing the basic usage of DVGeometryCST.

Expected time until merged

Now please

Type of change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (non-backwards-compatible fix or feature)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Documentation update
• Maintenance update
• Other (please describe)

[codecov]

Codecov Report

Merging #151 (286d6c8) into main (8453c44) will decrease coverage by 10.47%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             main     #151       +/-   ##
===========================================
- Coverage   63.74%   53.27%   -10.48%     
===========================================
  Files          47       47               
  Lines       11689    11689               
===========================================
- Hits         7451     6227     -1224     
- Misses       4238     5462     +1224     

Impacted Files	Coverage Δ
pygeo/parameterization/DVGeoMulti.py	0.40% <0.00%> (-89.42%)	⬇️
pygeo/constraints/areaConstraint.py	50.50% <0.00%> (-25.42%)	⬇️
pygeo/constraints/DVCon.py	68.04% <0.00%> (-3.69%)	⬇️
pygeo/pyBlock.py	45.37% <0.00%> (-1.65%)	⬇️
pygeo/parameterization/DVGeo.py	64.23% <0.00%> (-0.50%)	⬇️
pygeo/topology.py	54.92% <0.00%> (-0.23%)	⬇️
pygeo/__init__.py	91.30% <0.00%> (+8.69%)	⬆️
pygeo/parameterization/__init__.py	88.88% <0.00%> (+11.11%)	⬆️

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[hajdik]

LGTM