adding in es6 testing and readme

[jaredwray]

Please check if the PR fulfills these requirements

• [x] Followed the Contributing guidelines.
• [x] Tests for the changes have been added (for bug fixes/features) without decreasing code coverage.
• [x] Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) adding in es6 testing and readme

[codecov[bot]]

Codecov Report

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

Comparison is base (36d7b51) 100.00% compared to head (56d3cd3) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #29 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 26 26 Lines 4432 4432 ========================================= Hits 4432 4432 ```

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