Update index.html

Author: lucthienphong1120

index.html

@@ -9,6 +9,8 @@
 	<meta name="google-adsense-account" content="ca-pub-4444769016710912">
 	<link href="https://fonts.googleapis.com/css?family=Reem+Kufi|Roboto:300" rel="stylesheet">
 	<link href="https://use.fontawesome.com/releases/v6.0.0/css/all.css" rel="stylesheet">
+	<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-4444769016710912"
+     crossorigin="anonymous"></script>
 	<link rel="stylesheet" href="./css/reset.css">
 	<link rel="stylesheet" href="./css/styles.css">
 	<!-- <link rel="stylesheet" href="./css/themes/indigo-white.css"> -->