Fix orientation bug

[maltezfaria]

Fix to #92

• Make sure HyperRectangle always have lower_bound <= upper_bound
• Fix bug in parametric_curve
• Add docs to explain how to flip orientation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.19%. Comparing base (2bad1c5) to head (2cc6284).

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #93       +/-   ##
===========================================
- Coverage   79.86%   66.19%   -13.68%     
===========================================
  Files          25       25               
  Lines        3025     3026        +1     
===========================================
- Hits         2416     2003      -413     
- Misses        609     1023      +414     

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