Add new meta files and interfaces for project structure

Assets/Scripts/Systems/DeathHandler.cs

@@ -0,0 +1,36 @@
+using Data;
+using Interfaces;
+using KBCore.Refs;
+using UnityEngine;
+
+namespace Systems
+{
+    public class DeathHandler : MonoBehaviour
+    {
+        [Self, SerializeField] private Character character;
+        [Self, SerializeField] private InterfaceRef<IDeathBehavior> deathBehavior;
+
+        private void OnEnable()
+        {
+            character.attributes.OnHealthChanged += OnHealthChanged;
+        }
+
+        private void OnDisable()
+        {
+            character.attributes.OnHealthChanged -= OnHealthChanged;
+        }
+
+        private void OnHealthChanged(float newHealth)
+        {
+            if (newHealth <= 0f)
+            {
+                Die();
+            }
+        }
+
+        private void Die()
+        {
+            deathBehavior.Value.Die();
+        }
+    }
+}