Adding "copy to clipboard" button

[nakul-py]

Screencast.From.2025-06-21.15-03-15.mp4

Closes #4711

[github-actions]

✅ All Jest tests passed! This PR is ready to merge.

[github-actions]

✅ All Jest tests passed! This PR is ready to merge.

[omsuneri]

@nakul-py why all the examples.html is changing Idts this needs to be changed while redesigning the html page which is kind of a template and for sure the examples need not to be changed with just adding a copy button at the end of html template 🧐

[github-actions]

✅ All Jest tests passed! This PR is ready to merge.

[github-actions]

✅ All Jest tests passed! This PR is ready to merge.

[nakul-py]

@omsuneri I have added "copy to clipboard" button.
Is that right?

[omsuneri]

@nakul-py please add a new video with downloading html of project with copy button in the downloaded html that will be helpful
Else it looks good to me !!

[nakul-py]

@nakul-py please add a new video with downloading html of project with copy button in the downloaded html that will be helpful Else it looks good to me !!

i have added before

[omsuneri]

@nakul-py looks good to me!!
@walterbender @pikurasa please review this once