Feature/react tests

[nbarlowATI]

• Add frontend-tests github action
• Add skeletons of jest tests for React components
• Add pre-commit config yaml to use with pre-commit

[coveralls]

Pull Request Test Coverage Report for Build 1993639059

• 137 of 140 (97.86%) changed or added relevant lines in 8 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage remained the same at 90.103%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
eap_backend/eap_backend/settings.py	8	9	88.89%
eap_backend/tests/test_models.py	19	21	90.48%

Files with Coverage Reduction	New Missed Lines	%
eap_backend/eap_api/views.py	1	71.51%

Totals
Change from base Build 1980019795:	0.0%
Covered Lines:	965
Relevant Lines:	1071

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💛 - Coveralls