document tab

www/index.html

         <li class="nav-item active">
           <a class="nav-link" href="#home">Home</a>
         </li>
+        <li class="nav-item">
+          <a class="nav-link" href="#document">Document</a>
+        </li>
         <li class="nav-item">
           <a class="nav-link" href="#upload">Upload</a>
         </li>
       </div>
     </div>
 
+    <!-- Document -->
+    <div class="container d-none" id="autodoc_tag_document">
+      <span class="lead">Document are shown here. Go to 'home' and select a document.</span>
+      
+      
+      </div>
+    </div>
     <!-- Upload -->
     <div class="container d-none" id="autodoc_tab_upload">
       <div class="d-none autodoc_template_progress">