doc: Update docs/leaf.md 403e79b

Author: jaywcjlove

data.js

@@ -136,6 +136,11 @@
 </span><span class="code-line">    <span class="token tag"><span class="token tag"><span class="token punctuation">&#x3C;</span>li</span><span class="token punctuation">></span></span>#(friend.name)<span class="token tag"><span class="token tag"><span class="token punctuation">&#x3C;/</span>li</span><span class="token punctuation">></span></span> 
 </span><span class="code-line">#endfor
 </span></code></pre>
+<p>文件夹中的模板</p>
+<pre class="language-html"><code class="language-html code-highlight"><span class="code-line">#extend("partials/detail-layout"):
+</span><span class="code-line">    #export("body"): 详情页面 #endexport
+</span><span class="code-line">#endextend
+</span></code></pre>
 </div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="表达式"><a aria-hidden="true" tabindex="-1" href="#表达式"><span class="icon icon-link"></span></a>表达式</h3><div class="wrap-body">
 <ul class="cols-3 style-none">
 <li><code>+</code></li>

data.json

@@ -1891,7 +1891,7 @@
 <li><a href="https://appstore.lazycat.cloud/#/shop/detail/io.zeroc.app.quickref">懒猫微服应用商店</a></li>
 </ul>
 
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