init documentation for user-supplied parameters checkings

[najaverzat]

I start to write a description of what could be put in place to perform checks of user-supplied algorithms and parameters in src/api/checks_algos.md

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.59 ⚠️

Comparison is base (8fe4e38) 79.85% compared to head (339b19c) 79.26%.

❗ Current head 339b19c differs from pull request most recent head 148a3ff. Consider uploading reports for the commit 148a3ff to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #972      +/-   ##
==========================================
- Coverage   79.85%   79.26%   -0.59%     
==========================================
  Files          85       85              
  Lines        6125     6087      -38     
==========================================
- Hits         4891     4825      -66     
- Misses       1234     1262      +28     

see 16 files with indirect coverage changes

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[guimarqu]

Ok but I think we should name the page "Algorithms and initialization"