[Missiles] Missiles are smaller.
[Feature Drone] Drone created, but it does not kill asteroids yet.
[Balance] Missile goes faster, but cool down is bigger.
[Asteroids] Asteroids rotate around themselves.
Merge branch 'develop' of github.com:aurelien-defossez/soviet-vs-asteroids into develop

Conflicts:
	game/src/Asteroid.lua