feat(carbon): add field array component

[rvsia]

TODO:

• tests
• customization
  • wait for Introduce Carbon mapper #795 to get clsx for merging classNames
• typescript definitions

[codecov]

Codecov Report

Merging #801 into carbon will increase coverage by 0.27%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           carbon     #801      +/-   ##
==========================================
+ Coverage   92.57%   92.84%   +0.27%     
==========================================
  Files         231      231              
  Lines        3486     3495       +9     
  Branches     1121     1125       +4     
==========================================
+ Hits         3227     3245      +18     
+ Misses        259      250       -9     

Impacted Files	Coverage Δ
...s/carbon-component-mapper/src/files/field-array.js	100.00% <100.00%> (+75.00%)	⬆️

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[Hyperkid123]

🎉 This PR is included in version 2.9.0 🎉

The release is available on

• react-form-renderer (@latest dist-tag)

• pf3-component-mapper (@latest dist-tag)

• pf4-component-mapper (@latest dist-tag)

• mui-component-mapper (@latest dist-tag)

Demo can be found here!