docs: typo fix in initialization.md

[ninsch3000]

• Documentation update
  .csv instead of .map

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (b37dabb) to head (8bb5349).
Report is 1 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff            @@
##               dev       #95   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           24        24           
  Lines         1263      1263           
=========================================
  Hits          1263      1263           

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[uniqueg]

Thanks @ninsch3000