Restructure sidebar to abide by Foundation's Accordion; auto-open item according to URL
Restructure sidebar to abide by Foundation's Accordion; auto-open item according to URL

trailblazer/trailblazer.github.io,trailblazer/trailblazer.github.io,trailblazer/trailblazer.github.io,trailblazer/trailblazer.github.io