version 0.3

Version 0.3 is here!

Added-

-Basic Zombie enemy (big update (first enemy))

-working new coin, ammo, and wave UI

-Zombie Hit effects

Fixed minor bugs:

-bullets flying past zombies instead of hitting them(FIXED)

-When pressing 'T', the Wave would switch to Wave 2 instead of 1(FIXED)

-zombies would show up on main menu instead of deleting the zombie(FIXED)