Add initial game systems and input handling for player interactions

Assets/Scripts/Presentation/Present.cs

@@ -0,0 +1,33 @@
+using System;
+using Core;
+using UnityEngine;
+
+namespace Presentation
+{
+    public class Present : MonoBehaviour
+    {
+        [SerializeField] private int points = 1;
+        
+        private PresentSpawner _spawner;
+        
+        public void Configure(PresentSpawner spawner)
+        {
+            _spawner = spawner;
+        }
+        
+        private void OnCollisionEnter2D(Collision2D other)
+        {
+            if (other.gameObject.CompareTag("Ground"))
+            {
+                GameEvents.ReportPresentDropped();
+                _spawner.ReturnToPool(this);
+            }
+
+            if (other.gameObject.CompareTag("Sleigh"))
+            {
+                GameEvents.ReportPresentCaught(points);
+                _spawner.ReturnToPool(this);
+            }
+        }
+    }
+}