update google analytics

Author: lance6716

_includes/google-analytics.html

@@ -0,0 +1,10 @@
+<script async src="https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics }}"></script>
+<script>
+  window['ga-disable-{{ site.google_analytics }}'] = window.doNotTrack === "1" || navigator.doNotTrack === "1" || navigator.doNotTrack === "yes" || navigator.msDoNotTrack === "1";
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){window.dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', '{{ site.google_analytics }}');
+</script>
+