Tag for embed media (Twitter, Facebook, etc.)

[u2fly]

Plug-in

• https://www.phpbb.com/community/viewtopic.php?f=456&t=2272431

REFERENCE:

• https://www.phpbb.com/community/viewtopic.php?f=46&t=2398276

[EricTendian]

@u2fly could you provide more context around why this extension is needed on HQ? Not sure what the current problem is. The extension is also in beta, so I'd rather not add it unless it's necessary.