Fixed wrong doc links in packages README files

[yann-eugone]

Since the documentation was moved to https://yokai-batch.readthedocs.io/
All the links that was still referencing markdown shattered in every repository must be replaced
Because the target urls doest not exists anymore

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.72%. Comparing base (e015262) to head (8f56448).
Report is 1 commits behind head on 0.x.

Additional details and impacted files

@@            Coverage Diff            @@
##                0.x     #136   +/-   ##
=========================================
  Coverage     99.72%   99.72%           
  Complexity      909      909           
=========================================
  Files           147      147           
  Lines          2892     2892           
=========================================
  Hits           2884     2884           
  Misses            8        8           

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