[DOC-1] [bug] Missing Transcoding pool page

[stronk-dev]

Current/Expected Behavior

looks like we lost the page on transcoding pools in the new docs, could we have this re-added somewhere? (and maybe add https://www.video-miner.com/ to the list while we're at it)

Link to Docs Page (if applicable)

https://docs.livepeer.org/video-miners/core-concepts/pools

_DOC-1