update docstrings module

[solegalli]

No description provided.

[codecov]

Codecov Report

Merging #603 (110746c) into main (dba4fb6) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #603   +/-   ##
=======================================
  Coverage   97.79%   97.80%           
=======================================
  Files          90       91    +1     
  Lines        3497     3507   +10     
  Branches      684      684           
=======================================
+ Hits         3420     3430   +10     
  Misses         29       29           
  Partials       48       48           

Impacted Files	Coverage Δ
feature_engine/_docstrings/fit_attributes.py	100.00% <ø> (ø)
feature_engine/_docstrings/methods.py	100.00% <ø> (ø)
...ne/_docstrings/init_parameters/all_trasnformers.py	100.00% <100.00%> (ø)
...ure_engine/_docstrings/init_parameters/encoders.py	100.00% <100.00%> (ø)
feature_engine/creation/cyclical_features.py	100.00% <100.00%> (ø)
feature_engine/creation/math_features.py	97.77% <100.00%> (ø)
feature_engine/creation/relative_features.py	100.00% <100.00%> (ø)
feature_engine/discretisation/decision_tree.py	100.00% <100.00%> (ø)
feature_engine/discretisation/equal_frequency.py	100.00% <100.00%> (ø)
feature_engine/discretisation/equal_width.py	100.00% <100.00%> (ø)
... and 24 more

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[solegalli]

fyi @glevv please rebase