[DOCS] Broken link to "Operator Guides book" l

[flipchan]

Is your issue either:

• a fix to existing documentation (e.g. fixing a broken link or incorrect command)

Please briefly describe your issue:
https://nymtech.net/docs/nodes/mixnode.html contains a broken link for the "Operator Guides book" link:

Pressing it leads to a 404 page:

[github-actions]

Thank you for raising this issue

[serinko]

Thank you for flagging this out. The problem is bigger than a breoken link, I see the docs are divided according to deprecated categories and don't mention nym-node. I will talk with @mfahampshire and we will make a PR addressing this issue asap.