thicken-profile

Makes, checks and contributes a thicken profile, the plug-in that teaches thicken a kind of object (its real sizes, its shape, what's printed on it worth reading), so thicken can make 3D models (GLB) and metadata of that kind from photos. Use when the user wants thicken to handle a kind of object it has no profile for (a record sleeve, a coin capsule, a cassette), to improve one of thicken's own profiles (truer sizes, more it reads), or to offer their profile to thicken as a pull request.