P4 checkpoint2

[ldlin1]

These are changes that are suggested in the translator-service repo README.

[coveralls]

Pull Request Test Coverage Report for Build 11826612056

Details

• 9 of 9 (100.0%) changed or added relevant lines in 3 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.002%) to 82.688%

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Files with Coverage Reduction	New Missed Lines	%
src/meta/errors.js	1	76.74%

Totals
Change from base Build 11487961485:	-0.002%
Covered Lines:	22388
Relevant Lines:	25650

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💛 - Coveralls

[etong11]

Fixed lint issues and changed the API endpoint for OpenAI to our team's endpoint.

To pass the tests, had to add isEnglish to post schema and add translatedContent as well as an additionalProperty if the tests failed due to the response not having translatedContent.