instant favicons of anything

------ USAGE ------

https://favicon.cool/cat.ico
https://favicon.cool/dog.ico
https://favicon.cool/rainbow tennis racket.ico
https://favicon.cool/robot head.ico
https://favicon.cool/butterfly.ico
https://favicon.cool/quantum waves.ico
https://favicon.cool/wavelet.ico
https://favicon.cool/verlet.ico