Allow JSX and TS file extensions into Jest config

[ghostd]

PR as asked here :)

• Documentation "N/A"
• Tests "N/A"
• Ready to be merged

[codecov]

Codecov Report

Merging #153 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #153   +/-   ##
=======================================
  Coverage   86.82%   86.82%           
=======================================
  Files          18       18           
  Lines         334      334           
  Branches       79       79           
=======================================
  Hits          290      290           
  Misses         36       36           
  Partials        8        8           

Impacted Files	Coverage Δ
src/config/jest.config.js	90.90% <100.00%> (ø)

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[kentcdodds]

Thanks!

[kentcdodds]

@all-contributors please add @ghostd for code

[allcontributors]

@kentcdodds

I've put up a pull request to add @ghostd! 🎉

[kentcdodds]

🎉 This PR is included in version 6.2.3 🎉

The release is available on:

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

Your semantic-release bot 📦🚀