stop injecting wp-polyfill and add example for using react (with wp-element on the front-end)

[nicholasio]

Description of the Change

Closes #

Alternate Designs

Possible Drawbacks

Verification Process

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests passed.

Changelog Entry

Changed: Stop injecting wp-polyfill as script deps.

Credits

Props @

[github-actions]

ESLint Summary View Full Report

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Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}

[fabiankaegy]

The changes look good to me (y)

Is there also going to be any guidance on when to use react on the frontend? For the most part, we have not advocated for it much because of the overhead it creates.

I just want to make sure that with making it easier to use we also provide folks with the proper best practices when it should be used :)

[nicholasio]

Thanks @fabiankaegy, we can add more guidance on using react on the front-end in the best practices. I think usecases are going to be minimum. I'm thinking about very specific functionality that's JS-driven which would be easier to build in react.