Add EnemyControllerComponent and PeriodicShootingComponent; implement enemy shooting behavior and bullet spawning

scripts/components/EnemyControllerComponent.cs

@@ -0,0 +1,20 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+[GlobalClass]
+public partial class EnemyControllerComponent : Node
+{
+    [Export] public SideToSideMovementComponent MovementComponent { get; set; }
+    [Export] public PeriodicShootingComponent ShootingComponent { get; set; }
+
+    public override void _Process(double delta)
+    {
+        if (MovementComponent == null || ShootingComponent == null) return;
+
+        if (MovementComponent.Direction != Vector2.Zero)
+        {
+            ShootingComponent.ShootDirection = MovementComponent.Direction;
+        }
+    }
+}