layout: Enable Google Analytics

Author: Will Binns

_theme/layout.html

@@ -13,6 +13,16 @@
     applications." />
     <meta property="og:image" content="https://bitcoindocumentation.org/_static/bitcoindocs.png" />
     <meta property="og:type" content="website" />
+    <!-- Global site tag (gtag.js) - Google Analytics -->
+    <script async
+      src="https://www.googletagmanager.com/gtag/js?id=UA-150112890-1"></script>
+      <script>
+          window.dataLayer = window.dataLayer || [];
+            function gtag(){dataLayer.push(arguments);}
+            gtag('js', new Date());
+
+            gtag('config', 'UA-150112890-1');
+      </script>
     {{ super() }}
 {% endblock %}