updaate loading menu cache

app/views/origami/dashboard/index.html.erb

@@ -1,4 +1,7 @@
 <div class="container-fluid">
+<div id="loading_wrapper" style="display:none;">
+    <div id="loading"></div>
+  </div>
   <div class="block-header">
     <!-- <h2><%= t :dashboard %></h2> -->
     <h2><%= t :date_time %> : <%= Time.zone.now.utc.getlocal.strftime("%Y-%m-%d %I:%M %p") %></h2>
@@ -208,14 +211,23 @@
  <input type="hidden" name="server_mode" value="<%=ENV["SERVER_MODE"]%>" id="server_mode">
 <script>
 $(function() {
+  $( "#loading_wrapper").show();
   $.ajax({
     type: "GET",
     url: 'get_all_menu',
     data: {},
       success:function(result){
         localStorage.setItem("menus", JSON.stringify(result));
+
+        var menu = localStorage.getItem("menus");
+
+        if (menu != null ) {
+          $( "#loading_wrapper").hide();
+        }
       }
   });
+  
+  
 
   $(".cashier_view").on('click', function() {
     window.location.href = '/origami';