Embed Twitter Feed on New Google Sites

I created a twitter feed in my new google site. I Found this much more straightforward that the process in the classic sites.

The links below are the ones mentioned in the screencastify.
This is Steegle's instructions.

Here are the more detailed instructions from Martin Hawksey about how to create the google apps script.

Here is the place to create the script.

Here is my embedded twitter feed.