添加对象池并更新KeySettingManager的README

Pool/Editor/SingletonObjectPoolerInitializer.cs

@@ -0,0 +1,29 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace AnnoyingUtils.Pool.Editor
+{
+    [InitializeOnLoad]
+    public static class SingletonObjectPoolInitializer
+    {
+        static SingletonObjectPoolInitializer()
+        {
+            CreateSingletonInstances();
+        }
+
+        private static void CreateSingletonInstances()
+        {
+            var types = typeof(SingletonObjectPool<>).Assembly.GetTypes();
+            foreach (var type in types)
+            {
+                if (!type.IsSubclassOf(typeof(MonoBehaviour)) || !type.BaseType.IsGenericType ||
+                    type.BaseType.GetGenericTypeDefinition() != typeof(SingletonObjectPool<>)) continue;
+                var existingInstances = UnityEngine.Object.FindObjectsOfType(type);
+                if (existingInstances.Length != 0) continue;
+                var obj = new GameObject(type.Name);
+                obj.AddComponent(type);
+                Debug.Log(type.Name + " 单例实力已创建");
+            }
+        }
+    }
+}