added race management

Assets/Code/Gameplay/FinishTrigger.cs

@@ -0,0 +1,16 @@
+using UnityEngine;
+
+namespace Code.Gameplay
+{
+    public class FinishTrigger : MonoBehaviour
+    {
+        private void OnTriggerEnter(Collider other)
+        {
+            if (other.CompareTag("Player"))
+            {
+                var raceManager = FindFirstObjectByType<RaceManager>();
+                raceManager?.OnFinish();
+            }
+        }
+    }
+}