Set up draw depth, enemy class

-Added:
  -Character1.cs
  -Enemy1.cs
  -Hitbox.cs
  -Hurtbox.cs

-Edited LevelObject.cs to include draw depth
Merge branch 'SetupEnemies' into MenuSystem

Conflicts:
	Top Down Shooter/Top Down Shooter/LoadAssets.cs
	Top Down Shooter/Top Down Shooter/Main.cs
	Top Down Shooter/Top Down Shooter/Top Down Shooter.csproj