Needs code linting

[withtwoemms]

As a Contributor
I want a linting script
So I can run it and be assured contributed code is formatted consistent with previous code

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✅ Acceptance Criteria

GIVEN there exists a code format linter
WHEN run in CI
THEN code not conforming to the described code style is not permitted to merge

GIVEN there exists a code style linter
WHEN run in CI
THEN code not conforming to the described code style is not permitted to merge

GIVEN there exists a typing linter
WHEN run in CI
THEN code not conforming to the described code style is not permitted to merge