Add icon for file

Author: zcbenz

lib/view/chat/font.css

@@ -80,6 +80,7 @@
     </div>
     {{else}}
     <div onclick="wey.openLink('{{downloadUrl}}'); return false" class="file">
+      <div class="icon"><i class="icon-doc"></i></div>
       <div class="name">{{name}}</div>
       <div class="type">{{readableSize}} {{typeName}}</div>
     </div>

lib/view/chat/message.html

@@ -292,7 +292,7 @@
   .file {
     max-width: 600px;
     margin: 4px 0 4px 0;
-    padding: 10px;
+    padding: 11px 0 10px 10px;
     border: 1px solid #E8E8E8;
     border-radius: 6px;
     background-color: white;
@@ -309,6 +309,13 @@
     font-size: 12px;
     color: #717274;
   }
+  .file .icon {
+    float: left;
+    font-size: 32px;
+    height: 100%;
+    margin: -7px 8px 0 0;
+    color: #2D9EE0;
+  }
 
   .reactions {
     margin-bottom: 4px;