Include external WebFont

Product: Fontawesome Free Vendor: https://fontawesome.com/

page.includeCSSLibs {
    fontawesomeFree = https://use.fontawesome.com/releases/v5.5.0/css/all.css
    fontawesomeFree {
        external = 1
        disableCompression = 1
        excludeFromConcatenation = 1
        fontLoader {
            families {
                0 = Font Awesome 5 Free:400,900
                1 = Font Awesome 5 Brands
            }
            enabled = 1
        }
    }
}