How to attach a favicon.ico to a Web App built with Google Apps Script?

Question

Any ideas on How to attach a favicon.ico to a Web App built with Google Apps Script?

EDIT 1: Using UiApp

Thanks, Fausto

Answer 1

Google Apps now supports this (as of Nov 2015): https://developers.google.com/apps-script/reference/html/html-output#setfaviconurliconurl