Revert "docs(language-contribution): Remove requirement to update AUTHORS"
Revert "docs(language-contribution): Remove requirement to update AUTHORS"

This reverts commit 4be1e98f3dca2b86953aa66b08675ff77abf141f.

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