topnav.yml

## if you want to list an external url, use external_url instead of url. the theme will apply a different link base.
topnav:
- title: Topnav
  items:
    - title: GitHub
      external_url: https://github.com/fastai/course-v3
    - title: News
      external_url: http://www.fast.ai

#Topnav dropdowns
topnav_dropdowns:
- title: Topnav dropdowns
  folders:
#    - title: Products
#      folderitems:
#        - title: Jekyll Documentation Theme
#          url: /mydoc_introduction.html