chore: add Google Analytics tag

Author: rafaelbeirigo

_config.yml

@@ -35,6 +35,8 @@ theme: jekyll-theme-hacker
 plugins:
   - jekyll-feed
 
+google_analytics: "G-WZE3Q1HC4G"
+
 # Exclude from processing.
 # The following items will not be processed, by default.
 # Any item listed under the `exclude:` key here will be automatically added to

_includes/head-custom-google-analytics.html

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