DOP-GTM: Update GTM ID (#58)

Author: mango-db

src/html/_layout.html

@@ -48,7 +48,7 @@
      );var f=d.getElementsByTagName(s)[0],
      j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
      '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
-     })(window,document,'script','dataLayer','GTM-JQHP');</script>
+     })(window,document,'script','dataLayer','GTM-GDFN');</script>
     <!-- End Google Tag Manager -->
   </body>
 </html>