This is the source code for the FOSDEM Rust Devroom web site, which uses Jekyll and GitHub pages.
The site uses the t413.com/SinglePaged theme for Jekyll.
All you have to do to edit this site is clone it, edit either
_config.yml or the _posts/*.md files, and push it back to GitHub.
There are many more details here.
This site is based on the site for HUST15.