As approved by Tomi "Rouhiz" Ruohoalho / Assembly Compocrew by mail, to open this intro locally, run:

node mini-server.js

then open your browser to:

http://localhost:1337

This is only to provide the Content-Encoding header we normally get from a web server, but lack on file://

Please use Chrome or Edge to show it & you can stop capture after 2min30s

Thank you