chore(Upgrade eslint, add prettier): Upgrade eslint packages, add prettier, run prettier

[jamsea]

Fixes #50

[codecov]

Codecov Report

Merging #51 into master will decrease coverage by 0.14%.
The diff coverage is 85.52%.

@@            Coverage Diff             @@
##           master      #51      +/-   ##
==========================================
- Coverage   93.07%   92.93%   -0.15%     
==========================================
  Files           8        8              
  Lines         578      580       +2     
==========================================
+ Hits          538      539       +1     
- Misses         40       41       +1

Impacted Files	Coverage Δ
src/utils/apiList.js	100% <ø> (ø)	⬆️
src/utils/filterProps.js	100% <100%> (ø)	⬆️
src/utils/mockGPT.js	100% <100%> (ø)	⬆️
src/utils/isInViewport.js	100% <100%> (ø)	⬆️
src/createManager.js	91.96% <78.72%> (-0.42%)	⬇️
src/Bling.js	88.44% <95.45%> (ø)	⬆️

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