Font Awesome Brands
This module contains all the Font Awesome brand icons. Add it to your project and you will have access to it in all core nodes that support icons. Most notably the Icon node.
You can find a list of all the icons here: https://fontawesome.com/search?o=r&f=brands
Using this via code, works like this:
Outputs.iconObject = {
class: "fa-brands",
code: Inputs.iconCode,
codeAsClass: true
}