config for redcarpet, refer to http://noyobo.com/2014/10/19/jekyll-kramdown-highlight.html
config for redcarpet, refer to http://noyobo.com/2014/10/19/jekyll-kramdown-highlight.html

Signed-off-by: Iceway Zhang <bae91d570857928e852de6bd5ed3bcb3a3b2d276@gmail.com>

iceway/iceway.github.io