Refactoring PyHPS implementation

[germa89]

Going for a class based approach to make the code more reusable.

Also easier to understand, modify and extend.

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0.20833% with 479 lines in your changes are missing coverage. Please review.

Project coverage is 79.74%. Comparing base (f23da00) to head (afb3a68).

Additional details and impacted files

@@                  Coverage Diff                   @@
##           feat/pyhps-support    #3117      +/-   ##
======================================================
- Coverage               81.91%   79.74%   -2.17%     
======================================================
  Files                      54       54              
  Lines                    9858    10098     +240     
======================================================
- Hits                     8075     8053      -22     
- Misses                   1783     2045     +262     

[germa89]

@pyansys-ci-bot LGTM.