Since now all articles have a class, the `Usage:` is unnecessary. This PR will remove them.
This PR Adds Documentation for the new Agit feature. Agit allows creating PR directly while pushing code. Close #21018 Co-authored-by: CypherpunkSamurai <CypherpunkSamurai@users.noreply.github.com> Co-authored-by: delvh <dev.lh@web.de> Co-authored-by: a1012112796 <1012112796@qq.com>