Initial. Added files

Assets/Scripts/Managers/GameManager.cs

@@ -0,0 +1,57 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditorInternal;
+using UnityEngine;
+
+public class GameManager : MonoBehaviour
+{
+    
+    private static GameManager instance;
+    public static GameManager Instance { get { return instance; } }
+
+    private void Awake()
+    {
+        if (Instance == null)
+            instance = this;
+        else if (Instance == this)
+            Destroy(gameObject);
+    }
+
+    private void Start()
+    {
+        GlobalEventManager.onCaptureFlag += flagCaptured;
+        GlobalEventManager.onTimeLeft += timeOut;
+    }
+
+    private void Update()
+    {
+        
+    }
+
+    private void flagCaptured(Team team)
+    {
+        switch(team)
+        {
+            case Team.Attackers:
+                Debug.Log("Attackers Win");
+                break;
+            case Team.Defenders:
+                Debug.Log("Defenders Win");
+                break;
+            default:
+                Debug.LogError("Unexpected Team");
+                break;
+        }
+    }
+
+    private void timeOut()
+    {
+        Debug.Log("Time is out");
+    }
+
+    private void OnDestroy()
+    {
+        GlobalEventManager.onCaptureFlag -= flagCaptured;
+        GlobalEventManager.onTimeLeft -= timeOut;
+    }
+}