> pkg <- pkg_navbar()
> navbar_components(pkg)
home:
  icon: fas fa-home fa-lg
  href: index.html
reference:
  text: Reference
  href: reference/index.html


> pkg <- pkg_navbar(github_url = "https://github.org/r-lib/pkgdown")
> navbar_components(pkg)
home:
  icon: fas fa-home fa-lg
  href: index.html
reference:
  text: Reference
  href: reference/index.html
github:
  icon: fab fa-github fa-lg
  href: https://github.org/r-lib/pkgdown


