Add google ads

Author: zxdong262

src/server/views/index.pug

@@ -102,10 +102,12 @@ html
     - else
       script(src=jsUrl, type='module')
     script(async=true, src='https://www.googletagmanager.com/gtag/js?id=G-NT5W8GL31W')
+
     script.
       window.dataLayer = window.dataLayer || [];
       function gtag(){dataLayer.push(arguments);}
       gtag('js', new Date());
 
       gtag('config', 'G-NT5W8GL31W');
 
+    script(async=true, src='https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3871790631789822' crossorigin='anonymous')