Consider saving settings in steam cloud

[sprunk]

Right now only campaign saves seem stored there, perhaps it would be good to store widget config and springsettings there?

You can check what gets saved via https://store.steampowered.com/account/remotestorage

[Licho1]

Afaik they were saved there at one point but it possibly led to issue where people were unable to fix corrupted settings. So not sure if we should whitelist it as well