Optimize packaging bundle core logic

优化了打包的核心逻辑，支持设置依赖资源收集器。

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/BuildRunner.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Reflection;
 using UnityEngine;
 
 namespace YooAsset.Editor
@@ -24,6 +25,8 @@ namespace YooAsset.Editor
 				IBuildTask task = pipeline[i];
 				try
 				{
+					var taskAttribute = task.GetType().GetCustomAttribute<TaskAttribute>();
+					Debug.Log($"---------------------------------------->{taskAttribute.Desc}");
 					task.Run(context);
 				}
 				catch (Exception e)

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/TaskAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace YooAsset.Editor
+{
+	[AttributeUsage(AttributeTargets.Class)]
+	public class TaskAttribute : Attribute
+	{
+		public string Desc;
+		public TaskAttribute(string desc)
+		{
+			Desc = desc;
+		}
+	}
+}

Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/TaskAttribute.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 35749e57d9a3da84aa60c348bc6bbe9d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: