重写将文件预览；本地引入font-awesome字体；

source/components/card/ul-card-file/_index.html

@@ -0,0 +1,32 @@
+{volist name='[
+"excel",
+"zip",
+"word",
+"pdf",
+"powerpoint",
+"audio",
+"code",
+"image",
+"video",
+"text",
+]' id='file'}
+<div class="ul-card-file ul-inline-block">
+    <div class="main">
+        <div class="info">
+            <div class="name">
+                核弹制作与发射 从入门到精通
+            </div>
+            <div class="desc">
+                75GB
+            </div>
+        </div>
+        <div class="icon {$file}">
+            <i class="fa fa-file-{$file}-o"></i>
+        </div>
+    </div>
+    <div class="footer">
+        <span>来自ulthon邮箱</span>
+        <span>2022年6月24日</span>
+    </div>
+</div>
+{/volist}