readme
esc to close window, initial setup
add image title and draw to screen
center
refactor using instance vars @x and @y
add sound files
add sound
fix typo: sound object
add file and folder for sprites
initialize sprite file
ignore .DS_Store
moved assets to /assets
fix typo
move left when arrow left
dude should face left when moving left; and right when moving right
add image.width*0.2 to movement so the little guy doesn't jump but just turns
fix bug and load_tiles for  player
add new images
refactor
added sound