add home link into layout

backstage/templates/layout.html

@@ -37,11 +37,10 @@
         </li>
         <!-- /END Separator -->
         <!-- Menu with submenu -->
-        <a href="#submenu1" data-toggle="collapse" aria-expanded="false" class="bg-dark list-group-item list-group-item-action flex-column align-items-start">
+        <a href="{{ url_for('home.home') }}" class="bg-dark list-group-item list-group-item-action">
           <div class="d-flex w-100 justify-content-start align-items-center">
-            <span class="fa fa-dashboard fa-fw mr-3"></span> 
-            <span class="menu-collapsed">首頁</span>
-            <span class="submenu-icon ml-auto"></span>
+            <span class="fa fa-dashboard fa-fw mr-3"></span>
+            <span class="menu-collapsed">首頁</span>    
           </div>
         </a>
         <!-- Submenu content -->