You can install this package with Composer:
composer require itinerisltd/acorn-faviconsYou can publish the PHP and JSON config files with:
$ wp acorn vendor:publish --provider="ItinerisLtd\AcornFavicons\Providers\AcornFaviconsServiceProvider"To generate the full range of favicons, use https://github.com/ItinerisLtd/bin/pull/98
Just provide an SVG file and the script will convert it to all the required formats.
Put the files into bedrock/web so they are available at the root of the website.