Data format should be JSON Lines, not regular JSON

[colincadams]

Describe the bug

Currently the app expects data to be in regular JSON format, like what is in src/data.json. However, it should instead expect the data in JSON lines format so that it conforms with our other products (e.g. JSON files in pulse-data) and can be hooked up directly to BigQuery exports in the future.

To Reproduce Steps to reproduce the behavior:

1. Replace src/data.json with the fixture file
2. Run the app
3. See error

./src/data.json
Module parse failed: Unexpected token { in JSON at position 377 while parsing near '...hange":0.013487476}
{"state_code":"US_AK...'
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
SyntaxError: Unexpected token { in JSON at position 377 while parsing near '...hange":0.013487476}
{"state_code":"US_AK...'
    at JSON.parse (<anonymous>)

Expected behavior

It should instead load the data

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Desktop (please complete the following information):

• OS [e.g. Windows 10]:
• Browser [e.g. chrome, edge]:
• Version [e.g. 22]:

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]:
• OS: [e.g. iOS8.1]:
• Browser [e.g. stock browser, safari]:
• Version [e.g. 22]:

Additional context Add any other context about the problem here.

[jessex]

@Wmaileq I saw that you moved on to some of the V2 Jails work. But we want to circle back here and finish this one on Monday since it might be the last ticket before we can release V1!