docs(Usage): create UsageSection component

[lucivpav]

Implements #1918

[DustyTheBot]

	Warnings
⚠️	There are no updates provided to CHANGELOG. Ensure there are no publicly visible changes introduced by this PR.

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[codecov]

Codecov Report

Merging #1919 into master will not change coverage.
The diff coverage is n/a.

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  Hits         5440     5440           
  Misses       2334     2334           
  Partials       10       10

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[levithomason]

Heads up, we're getting a lot of complaints that it's hard to find examples that are hidden in the Usage section. We might want to consider keeping all examples in the Definition tab and maybe renaming that Examples?

Thoughts?

[lucivpav]

Closing in favor of #1948