Enhancement: Implement ToMillisecondsDurationFormatter

[localheinz]

This pull request

• implements a ToMillisecondsDurationFormatter

[codecov]

Codecov Report

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@@           Coverage Diff            @@
##             main       #17   +/-   ##
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  Coverage        ?   100.00%           
  Complexity      ?        20           
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  Files           ?         5           
  Lines           ?        62           
  Branches        ?         0           
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  Hits            ?        62           
  Misses          ?         0           
  Partials        ?         0           

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