exclude certain files from cloud sync?

i just installed Heroic on my Deck, because apparently steam does not support cloud saves for Sleeping Dogs, whereas the GOG version does. i've installed the game onto my Deck via Heroic, and enabled cloud save sync... and, it works, bringing over the save files i've synced from my pc. however, it also brings over a settings file, which contains control and graphical preferences, which i do not want syncing between my pc and my Deck. naturally, i don't want to have to mess with display settings each time i start the game. i see that Heroic allows you to modify the save file directory, but is there some way to explicitly include (or exclude) files for syncing?