[BD-46] docs: add copy URL and reset buttons to playground page

[viktorrusakov]

Description

Adds Copy URL and Reset buttons to the Playground page.

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Post-merge Checklist

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[openedx-webhooks]

Thanks for the pull request, @viktorrusakov!

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[netlify]

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[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (cf8a387) 91.38% compared to head (38cbcc0) 91.38%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2323   +/-   ##
=======================================
  Coverage   91.38%   91.38%           
=======================================
  Files         234      234           
  Lines        4120     4120           
  Branches      982      982           
=======================================
  Hits         3765     3765           
  Misses        348      348           
  Partials        7        7           

☔ View full report in Codecov by Sentry.
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[adamstankiewicz]

LGTM!

[openedx-webhooks]

@viktorrusakov 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.

[edx-semantic-release]

🎉 This PR is included in version 20.42.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀