fix(carousel): toggle carousel-indicators via property

[fhuschle]

Hi,

toggle the carousel-indicators via property (default == true).
Closes #1021

PR Checklist

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• read and followed the CONTRIBUTING.md guide.
• built and tested the changes locally.
• added/updated tests.
• added/updated API documentation.
• added/updated demos.

[codecov]

Codecov Report

Merging #3319 into development will increase coverage by <.01%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##           development    #3319      +/-   ##
===============================================
+ Coverage        72.33%   72.34%   +<.01%     
===============================================
  Files              249      249              
  Lines             8054     8056       +2     
  Branches          1528     1528              
===============================================
+ Hits              5826     5828       +2     
  Misses            1806     1806              
  Partials           422      422

Impacted Files	Coverage Δ
src/carousel/carousel.config.ts	100% <100%> (ø)	⬆️
src/carousel/carousel.component.ts	92.37% <100%> (+0.06%)	⬆️

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[valorkin]

@EvilAlexei please add this option to carousel roadmap plan
@valorkin done

[YevheniiaMazur]

Added new feature to Carousel Dynamic demo. All changes were tested, looks good. Need dev review

[valorkin]

Thanks for your time and help ! :)