replaced section with stack for js/css

resources/views/partials/invoice/head.blade.php

@@ -20,9 +20,9 @@
     <!-- App style -->
     <link rel="stylesheet" href="{{ asset('public/css/app.css') }}">
 
-    @yield('css')
+    @stack('css')
 
-    @yield('stylesheet')
+    @stack('stylesheet')
 
     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
@@ -42,7 +42,7 @@
 
     <script src="{{ asset('public/js/app.js') }}"></script>
 
-    @yield('js')
+    @stack('js')
 
-    @yield('scripts')
+    @stack('scripts')
 </head>