[HelpHub] Overhaul Embeds article

[estelaris]

Article: https://wordpress.org/documentation/article/embeds/

Review full article, follow steps from the [HelpHub] Overhauling blocks articles - READ FIRST
#2126

Updates

• Review each section
• Update the list of sites one can embed from
• Are external resources still valid, are there more?
• Update Embed change log
• Remove the links to WordPress versions that were added to the version numbers

[github-actions]

Heads up @WordPress/docs-issues-coordinators, we have a new issue open. Time to use 'em labels.

[alumno228805-AZ]

Hi! I would like to work on this issue if it's available. I am an intern participating in the WordPress Credit Program, and I have chosen the Documentation team for my practical work. Looking forward to contributing!

[kedarjoyner]

Hi! I would like to work on this issue if it's available. I am an intern participating in the WordPress Credit Program, and I have chosen the Documentation team for my practical work. Looking forward to contributing!

@alumno228805-AZ You can type the command /assign as a comment in this task and it will auto-assign you :)

[github-actions]

Hey @kedarjoyner, thanks for your interest in this issue! 🍪🍪🍪
If you have any questions, do not hesitate to ask them in our #docs Slack channel.
Enjoy and happy contributing ❤️