Recommendations

Your Drive connector can't write individual cells. This one can, which the unstarted Swipe write-back needs. It is in Google's Developer Preview, so you may need to enroll.

Lets an assistant build scenes, edit scripts and playtest in a live Godot editor (Godot 4.7 or later). Useful once the prototype starts.

Those projects live only in local folders. This gives them versioned backups and change history. It only needs your sign-in.