[0pt] Name for Cartridge docs in the TOC

[NickVolynkin]

Info

Cartridge docs are under "Cluster" in the table of contents. ORLY? YARLY!

What's wrong?

В меню это называется Cluster, а не Cartridge

https://app.mopinion.com/dashboard/inbox/detail/4441615

[patiencedaur]

"Cartridge" confuses new users, while "Cluster" confuses old users. We need to work out a different solution.