(docs) add CpcdosC+ to the list of supported languages (#2494)
(docs) add CpcdosC+ to the list of supported languages (#2494)


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