Take a Zoom registration link and replace it with an embed.

embed_zoom_registration.js

function replaceZoomRegistration(html) {
	const regex = />(http.+zoom.us\/meeting\/register.+?)</gi;
	if (!!html.match(regex)) {
		return html.replaceAll(regex, `><iframe src="$1" frameborder="0" style="width: 100%; height: 100vh">Loading…</iframe>
			<p style="font-size: 0.8em; font-style: italic;">Can’t see the registration form? <a href="$1" target="_blank">Click here to open it in a new window.</a></p><`);	
	}
	return html;
}