I have been waiting for this game for a long long time and now they are finally releasing the PC collector's edition in the US. Will it come with a GOG code inside so I can add it to my GOG library cause I don't have a disc reader?

According to one of the devs (before they announced the physical copy for the US) they said the other regions with the physical versions would get codes inside.
I'd think that the US would have codes as well now that they are getting physical copies but don't quote me on that