Re-organization of new OO utilities and solution to Params class incompatibility with contrast curve functions

[VChristiaens]

+Adapted docs and notebooks.

[codecov-commenter]

Codecov Report

Merging #611 (1d870b9) into master (9a4e44e) will increase coverage by 26.50%.
The diff coverage is 59.60%.

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@@             Coverage Diff             @@
##           master     #611       +/-   ##
===========================================
+ Coverage   29.53%   56.02%   +26.50%     
===========================================
  Files          66       67        +1     
  Lines       13361    13446       +85     
===========================================
+ Hits         3945     7533     +3588     
+ Misses       9416     5913     -3503     

Files Changed	Coverage Δ
vip_hci/config/paramenum.py	100.00% <ø> (ø)
vip_hci/preproc/derotation.py	86.85% <ø> (+67.13%)	⬆️
vip_hci/config/utils_param.py	70.83% <25.00%> (ø)
vip_hci/invprob/andromeda.py	10.57% <31.25%> (ø)
vip_hci/fits/headers.py	41.18% <41.18%> (ø)
vip_hci/fm/fakecomp.py	65.99% <41.38%> (+2.97%)	⬆️
vip_hci/invprob/paco.py	59.70% <42.86%> (+47.04%)	⬆️
vip_hci/metrics/contrcurve.py	60.33% <49.21%> (+9.29%)	⬆️
vip_hci/objects/pppca.py	35.83% <50.00%> (ø)
vip_hci/psfsub/llsg.py	20.09% <50.00%> (ø)
... and 18 more

... and 25 files with indirect coverage changes

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