moving WAAPI demo into second page and adding animation to it

adding second page

adding new sprite and js

making the scroll timeline for the tunnels, but alice's emotions stil…

add spring to crash with linear easing

getting animations to run while respecting reduced motion preferences

making credits show fully

added scene cut behavior which we can reuse for fun later.

fix bg size issue in tunnel

fix Alice's size and tunnel widths

adds back the missing teacup loader

add reduced motion opt-out for smooth scroll

making it so clicking on the rabbit hold scrolls down with scroll-beh…

Using intersection observer to in/out-view all the pages

adding the cues to the scenes with intersection observer

removes 'to tunnels' CTA

updates readme

update training link

update training link

update training link

update training link