Worked on skill system basics

Not much done just edited some files
Basic enemy spawner

Doesn't work completely right, but here is the basic script to
instantiate new gameobjects.
Merging enemyaihealth

Hopefully this works right
Basic Enemy Spawner script

Still needs a timer but right now it will spawn a certain number and
certain type of enemy.
Changes to MainGame scene did not commit

I have no idea why.