Add (composer): Add gtm library

resources/views/vendor/googletagmanager/body.blade.php

@@ -0,0 +1,4 @@
+@if($enabled)
+<noscript><iframe src="https://www.googletagmanager.com/ns.html?id={{ $id }}"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+@endif

resources/views/vendor/googletagmanager/head.blade.php

@@ -0,0 +1,16 @@
+@if($enabled)
+<script>
+window.dataLayer = window.dataLayer || [];
+@unless(empty($dataLayer->toArray()))
+window.dataLayer.push({!! $dataLayer->toJson() !!});
+@endunless
+@foreach($pushData as $item)
+window.dataLayer.push({!! $item->toJson() !!});
+@endforeach
+</script>
+<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','{{ $id }}');</script>
+@endif

resources/views/vendor/googletagmanager/script.blade.php

@@ -0,0 +1,2 @@
+@include('googletagmanager::head')
+@include('googletagmanager::body')