Apply prettier formatting and switch to new testing-lib name

[LeviButcher]

What: Updated the Basic Hook docs examples to use the new testing-lib name. Also, made sure to run prettier to remove double quotes.

Why: I had copied an example and realized the import wasn't the new name.

How: More consistence documentation.

Checklist:

• Update imports to use '@testing-library/react-hooks'
• Run prettier to replace double quotes with single quotes

[codecov]

Codecov Report

Merging #224 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #224   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           4      4           
  Lines          95     95           
  Branches       15     15           
=====================================
  Hits           95     95

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[mpeyper]

Cheers!

Please feel free to add yourself as a contributor for "docs" if you want to.