Merge tag '0.0.3' into develop

add collision detection for roofs and scorekeeping
add todo file
add function to invader to bring back to life
add function to invader to reset position
Block now resets positions of all invaders when all invaders are killed
draw number of player's lives
add method to kill player
move reset code to its own method
add method for creating new invaders
fix whitespace
change game over logic
update reset method
change name of kill function
Merge branch 'feature/next-level' into develop
moved font to data folder
made basic game over screen
change font size on game over screen
fix game over condition
Merge branch 'feature/game-over' into develop
remove game over from todo file