added some more signals for attack hit, enemy and player controllers turn done, commander enemy death, better enemy movement and turn changing, implemented an rng, added functions to grid and gridmarkers to allow for easier searching of markers, more logic for if a tower commander has actions

TurnController.cs

@@ -9,6 +9,5 @@ public partial class TurnController : Node2D
 
     public virtual void StartTurn()
     {
-        
     }
 }