Fix readme

[nathaliaesper]

Fix pointers to the figures

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.76%. Comparing base (7d46bb1) to head (6086f70).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #96   +/-   ##
=======================================
  Coverage   59.76%   59.76%           
=======================================
  Files          22       22           
  Lines         932      932           
=======================================
  Hits          557      557           
  Misses        375      375           

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