Broken `Brewfile` icon

[AlexWayfer]

Example of repository: https://github.com/mislav/will_paginate

[ayuthmang]

It should show this icon

[lvarayut]

Thanks for reporting the issue, PR is very welcome

[ayuthmang]

After I investigate for a while, the class name was correct but the icon wasn't shown.
I think maybe it's a problem with file-icons-js's fonts dependencies which is not updated for 3 years for now.