Create 'coverflow' or similar demo

[sole]

Displaying lots of thumbnails / covers nicely with animations / transitions all smoothly

Perhaps even scrolling and resizing and keeping the framerate constant?

Can we make this part of the Web Animations demos?

[samuknet]

Ex:

[sole]

Sam says rotations are not implemented yet - so we can't implement this one yet :-(

[samuknet]

We can keep an eye on the state of 3D rotations using https://mozdevs.github.io/servo-experiments/experiments/test-transformations/.