Add Google AdSense script to footer

_includes/footer/custom.html

@@ -1,3 +1,16 @@
 <!-- start custom footer snippets -->
 
+<div style="margin: auto;">
+<script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
+<!-- Made Mistakes -->
+<ins class="adsbygoogle"
+     style="display:block"
+     data-ad-client="ca-pub-7328585512091257"
+     data-ad-slot="3049671934"
+     data-ad-format="auto"></ins>
+<script>
+(adsbygoogle = window.adsbygoogle || []).push({});
+</script>
+</div>
+
 <!-- end custom footer snippets -->