TODO:
* Reset game (click new game button)
* Track score (number of sets)
* Make button(s) look pretty
* Make buttons react to hover/click!
* Music!
* Background!
* Print "no set"/"too many cards" messages
* Add "quit game" button
* View all cards with some indication of in-set
* Menu
* About/Credits
* How To Play

Exclude for now:
* deck
* sets

Exclude in wasm:
* quit