add interrupt handler (#2)

set/restore terminal options in code (#1)

clean up code a bit

add game over, and start/pause/gameover screen with text

make snake longer when eating fruit

add fruit, which respawns when touched and snake with length 2

move into src/ and provide shell files to set the right input properties

hide cursor in game

add input

make game loop: head is moving to the right

split into multiple files, .o files in build/

add gitignore

init commit and draw border for the game