Gravity

Madiwka3 7087c2513d Fixed sound volume & added zoom-out feature		pirms 4 gadiem
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cannon.png	Changed readme	pirms 4 gadiem
enemy.lua	New level, new ship, new effects, new opportunities	pirms 4 gadiem
enemy.png	Changed readme	pirms 4 gadiem
missile-01.png	Changed readme	pirms 4 gadiem
projectile.lua	Fixed sound volume & added zoom-out feature	pirms 4 gadiem
rlaunch.ogg	Fixed sound volume & added zoom-out feature	pirms 4 gadiem