dino walks across screen
dino flips when it reaches bounds
still dino appears when walkdino reaches left bound
WIP keyboard functionality
WIP images not displaying
dino walks left and right and respects boundaries
dino is now one sprite
created and moved functionality into util.js
added and moved dino into maindino.js
dino moves up and down
dino can go to heaven
WIP health bar
added life hearts
added function scopes
movement of second dino
added key manager
added stage manager
dir cleanup
keymanager cleanup
dinos can move in all directions