Add a games folder to Steam mounted from the network

Hello,

I’m looking for a way to add a network-mounted folder as storage on Steam. This is how I store my games (because I have a huge NAS for that purpose, and as soon as one of my PCs needs a game, I copy it over). While I’ve never had any trouble doing this on ArchLinux, the folder isn’t added on Bazzite.

Does anyone have a solution?

Thanks in advance.