new web-animations

Nope can't squish, so either let me do 2 commits, or you'll have to do them yourself.  sorry!
https://github.com/jsdelivr/jsdelivr/pull/2628#issuecomment-65824473
Oops, don't want to do that.  Thanks, I don't really know `.map` files; I'm begining to think they're not worth hosting, & devs should switch to uncompressed if they need to live-edit.