feat: allowing inheritance + adding docs

[clatapie]

This PR enables:

• inheritance configuration
• add source file presents in the template folder at any level
• fix Other Parameters rendering by adding them in the Notes section. Title is now Command Specifications

It also documents the configuration process for this feature as well as for the all config.yaml that was not documented.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 78.35052% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.72%. Comparing base (27d88c2) to head (19e23b8).

Files with missing lines	Patch %	Lines
src/pyconverter/xml2py/writer.py	73.46%	13 Missing ⚠️
src/pyconverter/xml2py/ast_tree.py	80.00%	4 Missing ⚠️
src/pyconverter/xml2py/utils/utils.py	85.18%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #513      +/-   ##
==========================================
- Coverage   87.06%   86.72%   -0.34%     
==========================================
  Files          13       13              
  Lines        2883     2954      +71     
==========================================
+ Hits         2510     2562      +52     
- Misses        373      392      +19     

Flag	Coverage Δ
coverage	86.72% <78.35%> (-0.34%)	⬇️

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