docs(ipam): add in readme

[yfodil]

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Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.84%. Comparing base (d173433) to head (1909c6a).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3678   +/-   ##
=======================================
  Coverage   75.84%   75.84%           
=======================================
  Files         190      190           
  Lines       42617    42617           
=======================================
  Hits        32324    32324           
  Misses       9104     9104           
  Partials     1189     1189           

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