Add support for Twitch video embeds

[SamSamskies]

Is your feature request related to a problem? Please describe. Currently we support Twitch channel embeds, but not Twitch video embeds. Would be nice to support both.

example: https://snort.social/e/note1fjrlswptys6yk9txf730an96yhq394myeuftlr2a5ueq7y2dzxzqg526fd

docs: https://dev.twitch.tv/docs/embed/video-and-clips/