Updated Readme and Animation

Updated build of Pokemon themed Flipper firmware forked from MuddledBox's 4/6 modified firmware release.

-Updated Readme
-Added Poliwhirl Idle animation (make sure to add files to SD card, check readme)

Updated assets

Updated build of Pokemon themed Flipper firmware forked from MuddledBox's 3/30 modified firmware release.

-Added Haunter to U2F application

Flipper Pokemon themed firmware

Initial build of Pokemon themed Flipper firmware forked from MuddledBox's 3/26 modified firmware release.