Update doc page for third party logging platforms

[ablaom]

Needs:

• Update the readme examples to include tuning and setting global logger MLJFlow.jl#45

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.89%. Comparing base (e84c195) to head (90df1ae).
Report is 13 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #1139   +/-   ##
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  Coverage   57.89%   57.89%           
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  Files           2        2           
  Lines          38       38           
=======================================
  Hits           22       22           
  Misses         16       16           

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