Final part.
. Destrying enemies;
. Explosion Animation;
 On branch master
 Changes to be committed:
	new file:   Assets/Prefabs/Explosion.prefab
	new file:   Assets/Prefabs/Explosion.prefab.meta
	modified:   Assets/Prefabs/Player.prefab
	modified:   Assets/Scenes/Scene.unity
	new file:   Assets/Scripts/ExplosionScript.cs
	new file:   Assets/Scripts/ExplosionScript.cs.meta
	modified:   Assets/Scripts/SwordScript.cs
	modified:   Assets/Sprites/Explosion/Explosion.png.meta
	new file:   Assets/Sprites/Explosion/ExplosionAnim.anim
	new file:   Assets/Sprites/Explosion/ExplosionAnim.anim.meta
	new file:   Assets/Sprites/Explosion/Explosion_0.controller
	new file:   Assets/Sprites/Explosion/Explosion_0.controller.meta