Allow sync every X minutes

Hey,

in my local Nextcloud Folder I’ve got the PortableApps Launcher with some Apps, e.g. Firefox Portable which I use a lot. Unfortunately Firefox is changing files in its program folders just quite often, which causes the Nextcloud client to Sync permanently. It would be nice if i could set some sort of sync period for specific folders, so it’s only being synced every 15 minutes for example.