Clean up the CircleCI Build Pipeline for RN workflow

[JeffGreiner-eaton]

Fixes Blui-5158.

Changes proposed in this Pull Request:

• add step to install, prettier & lint
• add step to test with parallelism: 4 & store test results
• edit workflow to include test

Screenshots / Screen Recording (if applicable)

https://app.codecov.io/gh/etn-ccis/blui-react-native-workflows/tree/feature%2Fblui-5158-divide-build-steps/login-workflow%2Fsrc

To Test:

Any specific feedback you are looking for?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release/R31@ecbfde6). Click here to learn what that means.

❗ Current head 4c8a9c8 differs from pull request most recent head f0783f7. Consider uploading reports for the commit f0783f7 to get more accurate results

Additional details and impacted files

@@              Coverage Diff               @@
##             release/R31     #310   +/-   ##
==============================================
  Coverage               ?   76.50%           
==============================================
  Files                  ?       27           
  Lines                  ?      383           
  Branches               ?       49           
==============================================
  Hits                   ?      293           
  Misses                 ?       62           
  Partials               ?       28           

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[ektaghag-eaton]

target should be 80%.