made an action be owned by a contact instead of actor; made another example action

Gameplay/Actions/Example2.cs

@@ -0,0 +1,22 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+
+public partial class Example2 : Action
+{
+    public override void _Ready()
+    {
+        base._Ready();
+    }
+
+    public override void Fire()
+    {
+        base.Fire();
+        int shieldNumber = 2;
+        int damageAmount = Globals._rng.Next(-50,-30);
+        _contact._owner._board._shields[shieldNumber].ChangeHealth(damageAmount);
+        ((Player)_contact._owner)._phone._debug.Text = "Shield " + shieldNumber + " damaged " + damageAmount + "hp";
+    }
+}