* [Doc] Update scheduler doc.

* Update docs/zh_cn/tutorials/param_scheduler.md

* Update docs/zh_cn/tutorials/param_scheduler.md

* Update docs/zh_cn/tutorials/param_scheduler.md

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* refine chinese doc

* remove  in title

* Update docs/zh_cn/tutorials/param_scheduler.md

* fix link

* remove files from building docs

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>
Co-authored-by: zhouzaida <zhouzaida@163.com>

* [Docs] Update scheduler doc.

* update

* Replace markdownlint with mdformat to avoid installing ruby

* fix circleci

* [Doc] Add scheduler user doc.

* reslove comments

* add chinese doc

* add update en doc

* resolve comments

* resolve comments

* update parameter scheduler

* resolve comments

* tmp remove en doc

* resolve comments

* resolve comments

* resolve comments

Co-authored-by: Kai Chen <chenkaidev@gmail.com>