added more stacks

resources/views/partials/customer/header.blade.php

@@ -1,3 +1,5 @@
+@stack('header_start')
+
 <header class="main-header">
     <!-- Logo -->
     <a href="{{ url('customers') }}" class="logo">
@@ -11,13 +13,14 @@
         <!-- Sidebar toggle button-->
         <a href="#" class="sidebar-toggle" data-toggle="offcanvas" role="button">
             <span class="sr-only">Toggle navigation</span>
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
-            <span class="icon-bar"></span>
         </a>
 
+        @stack('header_navbar_left')
+
         <div class="navbar-custom-menu">
             <ul class="nav navbar-nav">
+                @stack('header_navbar_right')
+
                 <!-- Notifications: style can be found in dropdown.less -->
                 <li class="dropdown notifications-menu">
                     <a href="#" class="dropdown-toggle" data-toggle="dropdown">
@@ -100,3 +103,5 @@
         </div>
     </nav>
 </header>
+
+@stack('header_end')