(chore) add two missing styles to dev tool
(chore) add two missing styles to dev tool

carlokok/highlight.js,isagalaev/highlight.js,highlightjs/highlight.js,isagalaev/highlight.js,carlokok/highlight.js,carlokok/highlight.js,highlightjs/highlight.js,highlightjs/highlight.js,highlightjs/highlight.js,carlokok/highlight.js