The main page body text is added in the *.md file below the header section
as paragraphs separated by one or more empty lines. A title is added as
{:.title}
# Main title
{:.subtitle}
## A subtitle
The navigation bar is configures in _config.yml as:
navbar:
- text: This is a single item
link: page-for-single-item
- text: This has a submenu
submenu:
- text: This is the first submenu item
link: first-submenu-item
- text: This is the second submenu item
link: second-submenu-item
- text: This is an external link
link: https://www.google.co.uk