How to download the ISO?
Download the "iso.sh" script in the assets below, run it on the terminal and follow the on screen instructions.
Adding Wi-Fi and Bluetooth support:
Once you're booted and in your desktop, run get-apple-firmware and choose the option "Retrieve the firmware directly from macOS".
If this method doesn't work, follow this guide to get firmware for Wi-Fi and Bluetooth.
Adding support for Touch Bar:
If your Mac has a Touch Bar, install tiny-dfr by running sudo apt update && sudo apt install tiny-dfr