Added 2 more target types, STRONGEST, WEAKEST
STRONGEST will attack the entity that does the most damage,
WEAKEST will attack the entity that does the least damage.

Added new tower config options, Splits, Split amount, Bounce Boost, Hit Types.

Added HitTypes - These will affect what happens when a projectile hits something.
BREAK - projectiles will be removed.
SPLIT - projectiles will split into multiple projectiles before being removed.
BOUNCE - projectiles will bounce multiple times before being removed.

Added Potato Tower example

Fixed placing towers inside other towers