add dropdown menu in header

themes/custom/envigo/envigo.libraries.yml

@@ -17,8 +17,6 @@ global-style:
       css/product-main.css: {}
 
   js:
-    theme:
-      js/jquery.min.js: {}
     js/slick.min.js: {}
     js/custom.js: {}
     js/mwheelIntent.js: {}
@@ -28,3 +26,5 @@ global-style:
     js/jquery.mousewheel.js: {}
     js/jquery.jscrollpane.min.js: {}
     js/imagesloaded.pkgd.min.js: {}
+  dependencies:
+    - core/jquery

themes/custom/envigo/js/custom.js

 (function ($) {
-  alert('test');
   var includes = $("[data-include]");
   jQuery.each(includes, function () {
     var file = /* 'views/' +  */ $(this).data("include") + ".html";

themes/custom/envigo/templates/navigation/menu--main.html.twig

@@ -33,8 +33,9 @@
       <div class="h_menu_c_b">
       <ul class="h_nav_main">
     {% else %}
-      <div class="h_menu_c_b">
-      <ul class="h_nav_main">
+      <div class="header-nav-item-child-list">
+      <em><i class="fa fa-angle-down" aria-hidden="true"></i></em>
+      <ul class="pure-g">
     {% endif %}
     {% for item in items %}
       {%