update extension sample

Assets/YooAsset/Samples~/Extension Sample/Editor/CustomRules.meta

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+guid: 73ef838ec60c36249ba05eaa3c96273e
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+DefaultImporter:
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Assets/YooAsset/Samples~/Extension Sample/Editor/CustomRules/CustomAdressRule.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+using YooAsset.Editor;
+
+[DisplayName("定位地址: 文件名.智能尾缀")]
+public class AddressByFileNameAndExt : IAddressRule
+{
+    public string GetAssetAddress(AddressRuleData data)
+    {
+        var ext = Path.GetExtension(data.AssetPath);
+        if (ext == ".asset")
+        {
+            var a = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Object>(data.AssetPath);
+            if (a == null) return ".errortype";
+            var type = a.GetType();
+            var dt = Path.GetFileNameWithoutExtension(data.AssetPath);
+            return dt + $".{type.Name.ToLowerInvariant()}";
+        }
+
+        return Path.GetFileName(data.AssetPath);
+    }
+}

Assets/YooAsset/Samples~/Extension Sample/Editor/CustomRules/CustomAdressRule.cs.meta

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+MonoImporter:
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+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: