Sandra

Proposal: The user can initialize canvases with different types of sizes (currently we only support 50 x 50 pixel iirc?).

It would be amazing to have a layer feature. For minimum functionally, being able to add layers, clear them, and delete them, should be enough 🤗

We create scaling actions based on the pinching gesture, but we do not take into account _where_ exactly the pinch gesture is done. However, this is very important, because it's...