feat: add duration pipe

[json-derulo]

Adds a pipe to transform durations based on the Intl.DurationFormat browser API. Tests are failing currently due to missing implementation of the API by some browsers. Status can be tracked here:

• Chrome
• Firefox
• Safari

Closes #100

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (44f283e) to head (04fbdb6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #139   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           20        22    +2     
  Lines          154       166   +12     
  Branches        35        38    +3     
=========================================
+ Hits           154       166   +12     

Files with missing lines	Coverage Δ
...lib/duration/intl-duration-pipe-default-options.ts	100.00% <100.00%> (ø)
...script-intl/src/lib/duration/intl-duration.pipe.ts	100.00% <100.00%> (ø)

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