Added a scene controller

Assets/Scripts/Game/SceneController.cs

@@ -0,0 +1,50 @@
+using PashaBibko.Pacore.Attributes;
+using UnityEngine.SceneManagement;
+using System.Collections;
+using System.Diagnostics;
+using UnityEngine;
+using System;
+
+using Debug = UnityEngine.Debug;
+
+namespace Fruitomation.Game
+{
+    [CreateInstanceOnStart] public class SceneController : MonoBehaviour
+    {
+        private static SceneController Instance;
+
+        private void Awake()
+        {
+            if (Instance is not null)
+            {
+                Debug.LogError($"Multiple instances of [{nameof(SceneController)}] cannot exist.");
+                return;
+            }
+
+            Instance = this;
+        }
+
+        private IEnumerator StartLoadInternal(string scene)
+        {
+            Stopwatch sw = Stopwatch.StartNew();
+            AsyncOperation operation = SceneManager.LoadSceneAsync(scene);
+            if (operation == null)
+            {
+                string error = $"Unknown scene [{scene}]";
+                throw new ArgumentException(error);
+            }
+
+            operation.allowSceneActivation = false;
+            operation.completed += _ =>
+            {
+                sw.Stop();
+                Debug.Log($"Scene finished loading [Took {sw.ElapsedMilliseconds}ms]");
+            };
+
+            yield return new WaitForSeconds(5f);
+            operation.allowSceneActivation = true;
+        }
+
+        public static void StartLoadOf(string scene) => Instance.StartCoroutine(Instance.StartLoadInternal(scene));
+    }
+}