add google ads

mkdocs.yml

@@ -61,7 +61,7 @@ theme:
       bug: octicons/bug-16
       example: octicons/beaker-16
       quote: octicons/quote-16
-
+  custom_dir: overrides
 markdown_extensions:
   - attr_list
   - md_in_html 

overrides/main.html

@@ -0,0 +1,4 @@
+{% extends "base.html" %}  {% block disqus %}
+<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-9801985319378542"
+crossorigin="anonymous"></script>
+{% endblock %}