chore: Eject create react app

[justinkambic]

Summary

Resolves #190.

This contains the output of running create-react-app's eject script. This extricates create-react-app as a dependency, and moves all of its scripting and other configuration to the top-level of the repo.

This is a one-way destructive action, so if we merge this we cannot go back to create-react-app.

Implementation details

This is a draft PR that may never end up being merged. It's done to better inform our decision to either remove create-react-app or to rely on a custom fork.

How to validate this change

Will update if looking to merge

[apmmachine]

💔 Build Failed

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Build stats

• Start Time: 2022-04-25T19:58:38.340+0000

• Duration: 3 min 7 sec

Steps errors

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npm ci

• Took 0 min 1 sec . View more details here
• Description: npm ci

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[justinkambic]

Closing this in favor of using a feature branch to allow for incremental reduction of the maintenance burden before we merge to main.