Added a health bar

Assets/Scripts/HealthBar.cs

@@ -0,0 +1,15 @@
+using UnityEngine;
+
+namespace InterfaceOff.WorldScene
+{
+    public class HealthBar : MonoBehaviour
+    {
+        public Transform HealthBarObject;
+        public WindowSpawner Spawner;
+        
+        private void Update()
+        {
+            HealthBarObject.localScale = new Vector3(100f, (20 - Spawner.SpawnedWindowCount) * 5f, 100f);
+        }
+    }
+}