line wrap for long lines in code blocks
line wrap for long lines in code blocks

Prevents long code-block lines from malforming the whole block and line numbering.
scalatricks/scalatricks-website,aguslr/Thinny,scalatricks/scalatricks-website,freisribeiro/freisribeiro.github.io,ThaysStefanny/Thinny,aguslr/Thinny,scalatricks/scalatricks.github.io,charstarstars/missuteki,7heaven/jekyll_theme_thinny,freisribeiro/freisribeiro.github.io,wangjiangb/wangjiangb.github.io,charstarstars/missuteki,scalatricks/scalatricks.github.io,7heaven/jekyll_theme_thinny,lodreysilva/blog,7heaven/jekyll_theme_thinny,wangjiangb/wangjiangb.github.io,charstarstars/missuteki,freisribeiro/freisribeiro.github.io,lodreysilva/blog,ThaysStefanny/Thinny,aguslr/Thinny,scalatricks/scalatricks.github.io,scalatricks/scalatricks-website,ThaysStefanny/Thinny,lodreysilva/blog