manifest.json: add icon

manifest.json: force landscape orientation

index.html: black background and center the canvas

manifest, index: add manifest, now we are a real webapp!

Catbug, Engine, Pickup: use null instead of empty object, cleaner initialization for non-function properties

modded y coordinates for food spawning to always spawn completely on-screen

modded y coordinates for food spawning to always spawn completely on-screen

cleaned up a bit of pausing logic

push deletion of pickups a little further left

Signed-off-by: Derek Stevens <nilix@nilfm.cc>

hide preloading font div

first commit