v3 Splitting of JS Files

[lrljoe]

This:

1. Splits up the core JS functions into individual files for ease of maintenance.
2. Modifies several entangled items to no longer be live

All Submissions:

• [ ] Have you followed the guidelines in our Contributing document?
• [ ] Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

1. [ ] Does your submission pass tests and did you add any new tests needed for your feature?
2. [ ] Did you update all templates (if applicable)?
3. [ ] Did you add the relevant documentation (if applicable)?
4. [ ] Did you test locally to make sure your feature works as intended?

Changes to Core Features:

• [ ] Have you added an explanation of what your changes do and why you'd like us to include them?
• [ ] Have you written new tests for your core changes, as applicable?
• [ ] Have you successfully ran tests with your changes locally?

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (f6a69d6) 88.99% compared to head (46e14da) 88.99%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1558 +/- ## ========================================== Coverage 88.99% 88.99% Complexity 1268 1268 ========================================== Files 96 96 Lines 3008 3008 ========================================== Hits 2677 2677 Misses 331 331 ```

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