NT-2141: Stepper component

[Arkariang]

📲 What

• Migrated to kotlin the Playground activity in order to test the new components
• Create a reusable component as the stepper on the addOns card

🛠 How

• The stepper can configure as input Max, Min, initial value, and the increment value.
• The stepper has as output the displayed number
• Once reached the Max limit or the Min limit the increase/decrease buttons on the stepper are disabled.

👀 See

stepper.mp4

| | |

📋 QA

• Open the playground activity on the internal tools screen, and play around with the stepper

Story 📖

[Name of Trello Story](Trello link)

[codecov]

Codecov Report

Merging #1344 (889b557) into master (6fa2555) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1344   +/-   ##
=========================================
  Coverage     74.16%   74.16%           
  Complexity      743      743           
=========================================
  Files           221      221           
  Lines          6669     6669           
  Branches        409      409           
=========================================
  Hits           4946     4946           
  Misses         1584     1584           
  Partials        139      139           

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[hadia]

great job🎉🎉