Add Google Analytics support

Author: mercuryseries

docs/assets/js/google-analytics.js

@@ -0,0 +1,10 @@
+var gtag_id = "G-3XLJELJ2TF";
+
+var script = document.createElement("script");
+script.src = "https://www.googletagmanager.com/gtag/js?id=" + gtag_id;
+document.head.appendChild(script);
+
+window.dataLayer = window.dataLayer || [];
+function gtag(){dataLayer.push(arguments);}
+gtag('js', new Date());
+gtag('config', gtag_id);

mkdocs.yml

@@ -30,6 +30,9 @@ theme:
   features:
     - navigation.expand
 
+extra_javascript:
+  - assets/js/google-analytics.js
+  
 markdown_extensions:
   - admonition
   - markdown_include.include