fix: add ads script into footer component to initialize sidebar ad block

Author: danielbarion

docs/src/theme/Footer/index.js

@@ -1,9 +1,26 @@
 /* eslint-disable import/no-unresolved */
-import React from 'react'
+import React, { useEffect } from 'react'
 import Footer from '@theme-original/Footer'
 // import AdsContainerElement from '@site/src/components/AdsContainerElement'
 
 export default function FooterWrapper(props) {
+  useEffect(() => {
+    if (typeof window !== 'undefined') {
+      const scriptElement = document.createElement('script')
+      scriptElement.src =
+        'https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7420210265158247'
+      scriptElement.async = true
+      scriptElement.onload = () => {
+        if (typeof window !== 'undefined') {
+          window.onload = () => {
+            ;(window.adsbygoogle = window.adsbygoogle || []).push({})
+          }
+        }
+      }
+      document.body.appendChild(scriptElement)
+    }
+  }, [])
+
   return (
     <>
       <Footer {...props} />